Spring 2014 - Vernier Software & Technology
Contents
1. Webinars We offer free personalized webinars for your entire department that can focus on basic or advanced use in any subject area Webinars are easy to set up and are flexible enough for your team s busy schedule Recorded versions are available for download and topics include e LabQuest 2 and the Connected Science System e Biotechnology Gel Analysis e Physics Video Analysis e Chemistry pH Titration e Chemistry Beer s Law www vernier com webinars Chautauqua Short Course Research Based Active Learning in Introductory Physics June 15 17 2014 Portland Oregon Instructors Priscilla Laws Dickinson College David Sokoloff University of Oregon Ronald Thornton Tufts University This hands on course is designed for university college and high school physics instructors who are interested in making learning in their introductory course more active either within a traditional course structure lectures labs and recitation hours or by re structuring their course e g into a workshop or studio course Graduate credit will be available Participants will be introduced to physics education research validated strategies for each component of the introductory course such as Interactive Lecture Demonstrations ILDs Rea Time Physics RTP labs Activity Based Tutorials Collaborative Problem Solving Tutorials Workshop Physics and Physics with Video Analysis along with strategies fo2. As in the past its six output lines are controlled using either Logger Pro or National Instrument s LabVIEW software The new unit features a detachable screw terminal connector This allows a modular approach to the creation of experimental setups using the DCU Each experiment can be connected to its own screw terminal and rapidly swapped in and out of the DCU On the circuit board at the end of the device are indicator LEDs and a variety of header pins to offer an alternative connection to the device under test Users wishing to control the DCU with Arduino should refer to the Vernier website at www vernier com arduino 30 years ago in the CALIPER This is the 30th anniversary of this newsletter The first issue included the following e We announced upgrades for our Frequency Meter Precision Timer and Graphical Analysis Apple II programs e We announced our first and it turned out to be only Commodore 64 program e We also announced our first parts kit for building a photogate Previously we had just provided the instructions and a list of parts and encouraged people to buy them at RadioShack 6 THE CALIPER SPRING 2014 WWW VERNIER COM Award Winning Research Uses Vernier and TI Technology by Erick Archer Texas Instruments My wife and I have two great boys Owen 11 and Hayden 12 Back in September Hayden came home from school and announced he was required to do a science fair project for his 7th grade sci
3. Drive Google Docs and Google Sheets To get started enable Data Sharing on LabQuest 2 or Logger Pro version 3 8 6 or newer For more information see www vernier com chromebooks i TE Ja h m POO _ ae dira Sm Brr oe e _ 7 f ener i m a p E THE CALIPER SPRING 2014 WWW VERNIER COM 13 VERNIER SOFTWARE amp TECHNOLOGY Vernier in the Science Journals Hockey iPads and Projectile Motion in a Physics Classroom The Physics Teacher September 2013 by Richard P Hechter University of Manitoba Winnipeg MB Our Video Physics app for iPad is used to collect data on a hockey puck s path through the air Logger Pro is used for further analysis The author explains some pedagogical advantages of this activity Electromagnetic Induction with Neodymium Magnets The Physics Teacher September 2013 by Deborah Wood College of William and Mary and John Sebranek Southwest HS Green Bay WI In this article the authors show how to build an apparatus to nicely demonstrate Lenz s law of induction with falling magnets A Progression of Static Equilibrium Laboratory Exercises The Physics Teacher October 2013 by Mickey and Andrew Kutzner Andrews University This is a detailed series of lab experiments using our Dual Range Force Sensor to explain the statics of bridges catwalks and cantilevers Mouthpiece and Bell Effects on Trombone Resonance The Physics Teacher Ja
4. EC 424 includes a 1 2 m Dynamics Track Optics Bench Motion Encoder Cart and Receiver Plunger Cart and Track Accessories 2 THE CALIPER SPRING 2014 WWW VERNIER COM Mauna Kea Hawaii is the only place on Earth where you can drive from sea level to over 4 000 meters almost 14 000 feet in a couple of hours Dave Vernier recently made the trip with a LabQuest 2 and a Gas Pressure Sensor in the vehicle Note that the pressure drops to about 60 of normal air pressure at the top The 50 minute stop along the way is partially to let people acclimate so they are less likely to get altitude sickness Observatories at the summit of Mauna Kea Start ai hear fo gaa level Visitor Canter at 2 804 m 200 ft Summit al 4 200 m 13 780 A Pressure kPa 100 Time min Atmospheric pressure data collected during a drive to the top of Mauna Kea Using the NEW Vernier Emissions Spectrometer to Quantitatively Investigate Hydrogen and Helium Emissions The Vernier Emissions Spectrometer is a new addition to Vernier s line of products for spectroscopy With a spectral range of 350 900 nm and a wavelength accuracy of 2 nm it is an ideal tool for quantitatively investigating the emission spectra of gas discharge tubes light bulbs and LEDs in your classroom One classical use of the Emissions Spectrometer is an investigation VERNIER SOFTWARE amp TECHNOLOGY PHYSICS AND ENGINEERING of the Balmer Series of the h
5. NH NO both of which contain polyatomic ions The evidence for polyatomic ions is noticeable when comparing the slopes of the graphs of conductivity vs number of drops for solutions of KNO and NH NO to those of KCI and CaCl The KNO and NH NO3 graphs will have slopes agreeing with KCI but not CaCl suggesting both KNO and NH NO3j dissociate into two ions To download the student instructions and teacher notes for the experiment go to www vernier com r142 CaCl KCI KNQ3 NHaNOs a HANS Cacti Ca Cerra EEGI Goria B KROJ Conie io oI j b Ed 5 i Bl oi 40 Volume drops Comparing the conductivity of a three ion compound with two ion compounds THE CALIPER SPRING 2014 WWW VERNIER COM 7 VERNIER SOFTWARE amp TECHNOLOGY CHEMISTRY AND BIOLOGY New Design for the Drop Counter Our popular Drop Counter has a new look for 2014 The Drop Counter is commonly used with sensors such as the pH Sensor and Conductivity Probe to automatically record the volume of liquid added to a mixture The redesigned Drop Counter is better than ever with new features that improve its overall ease of use e The wider drop detecting area is able to record drops at rates as high as six drops second e A new red LED blinks each time a drop is detected providing confirmation that all is going well e The Drop Counter still has two sensor slots The smaller slot can now be adjusted to acc
6. Spectra of Plant Pigments SpectroVis Plus e Primary Productivity Optical DO Probe e Introduction to Biofuels and Evolution of Cellobiase SpectroVis Plus The registration fee 199 includes lunch and a copy of the Vernier lab book Investigating Biology through Inquiry gpectrovis Pius PHYSICS JULY 16 17 This 2 day hands on physics workshop gives you the opportunity to explore data collection and video tools offered by Vernier Learn basic and advanced skills in Logger Pro such as configuring graphs performing custom curve fits setting up calculated columns and customizing data collection modes Video analysis using computers and tablets will be covered Topics include e Dynamics and kinematics using the new Motion Encoder Cart and the Vernier Dynamics System e Optics and diffraction using the Optics Expansion Kit and the Diffraction Apparatus e Circuits using the Vernier Circuit Board The registration fee 199 includes lunch and a copy of Physics with Vernier 2nd edition VERNIER SOFTWARE amp TECHNOLOGY PROFESSIONAL DEVELOPMENT AP CHEMISTRY JULY 24 25 Learn how Vernier products and lab books can be used to meet requirements of the new AP Chemistry framework Specific emphasis will be placed on inquiry based methods of conducting experiments Examples of experiments and sensors that will be covered include e Acid Base Titration Determining the Ka of a Weak Acid pH Sensor e Determinin
7. about electric shock drowning can be found at www electricshockdrowning org The Aquabot with one LEGO NXT robot two Vernier NXT Sensor Adapters and two Vernier Current Probes VERNIER SOFTWARE amp TECHNOLOGY Vernier Engineering Contest Winners Vernier Software amp Technology sponsors a contest for educators who creatively use Vernier sensors to introduce engineering concepts or engineering practices The prizes for the winners include 1 000 in cash 3 000 in Vernier technology and 1 500 toward expenses to attend either the NSTA STEM conference or the ASEE conference This 5 500 award is presented to one college instructor one high school teacher and one middle school teacher CONGRATULATIONS TO THE 2013 WINNERS Deborah Munro an Engineering instructor at University of Portland created a low cost easy to implement introduction to biomechanics for seniors in mechanical engineering A series of six labs provides students with hands on experience acquiring and analyzing data as well as video using Logger Pro software and Vernier physiology sensors The course culminates with the students answering their own open ended research question Gary Garber an Engineering and Physics teacher from Boston University Academy had high school students work together to design and build a system for calculating rocket height STEM concepts in this project included measuring the impulse of the engine using a Dual Range Force Sensor
8. building triangulation stations and algorithms for measuring the height investigating electronic tracking and video methods and creating computer programs to estimate the height Julianne King a teacher from Regina Caeli Academy had middle school students investigate Electric Shock Drowning See the article on page 4 for details For details about the contest and to see the winning videos visit www vernier com grants engineering Engineering Contest Enter to Win Are you using Vernier sensors to teach engineering concepts or engineering practices in the classroom If you are you could win one of three 5 500 awards one for middle school one for high school and one for college Maybe your students are using Vernier sensors to test a design project Or maybe you are challenging your students to build an automated device using the Vernier Digital Control Unit DCU and Logger Pro software Perhaps your students are writing NI LabVIEW or ROBOTC code to read a Vernier sensor from a robotics platform such as LEGO VEX or Arduino Tell us about your projects and you might win Each award will consist of 1 000 in cash 3 000 in Vernier technology and 1 500 toward expenses to attend either the 2015 NSTA STEM conference or the 2015 ASEE conference Entries will be accepted through January 15 2015 For complete rules and to submit an online application and video showcasing your entry go to www vernier com grants engineer
9. later this spring Renewable Energy with Vernier covers topics in renewable energy including wind solar and thermal solar energy This exciting new book also addresses the Science and Engineering Practices included in the Next Generation Science Standards THE CALIPER SPRING 2014 WWW VERNIER COM 11 VERNIER SOFTWARE amp TECHNOLOGY SOFTWARE Software Updates We regularly release software updates to support new sensors as well as to add new features Staying up to date with software releases is one way to keep things running smoothly in your classroom or lab Have you updated your Vernier applications recently LOGGER PRO 3 8 6 2 Logger Pro 3 8 6 2 was released in January 2014 This update is free to all users of any previous version of Logger Pro 3 and is available at www vernier com Ipupdates The new version adds support for Windows 8 1 and Mac OS X 10 9 as well as these new sensors PAR Sensor Vernier UV VIS Spectrophotometer Vernier Emissions Spectrometer and the Vernier Motion Encoder System Experiment files for Physics with Vernier have been updated for the new edition We have again updated support for the Connected Science System Logger Pro can share sensor data with iPad Android and other mobile devices using Graphical Analysis or Vernier Data Share web app We recommend that all users of Logger Pro update to this release With an account on the Vernier website and a purchase history of Logger Pro yo
10. modeling to further their physics understanding In addition to analyzing their own findings students are able to analyze data that Garber collected using the Vernier Wireless Dynamics Sensor System during a pendulum experiment on a NASA reduced gravity flight Brian Bollone Northview High School Grand Rapids MI Students in Brian Bollone s class will use an array of Vernier sensors to research quantitative questions regarding measurable chemical factors during animal decomposition During the activity students will correlate their data with daily qualitative measurements of entomological activity and photographs and they will test their hypothesis using still born fetal pigs Ashley Webb DeSoto Central High School Southhaven MS With the help of teacher Ashley Webb the Creating Leaders in STEM program at Central High School in Southhaven Mississippi provides innovative opportunities for AP Physics and AP Environmental Science high school students to review for their AP tests In addition students help sixth grade students at the junior high school engage in hands on inquiry based STEM education using probeware COLLEGE Dr Paul Adams Fort Hays State University Hays KS Dr Paul Adams engineering students use technology to conduct high altitude ballooning challenges To further expand on these challenges Dr Adams will have students migrate the Vernier sensors to an Arduino an open source electron
11. pass this newsletter on or recycle it again
12. the Vernier Arduino Interface Shield and is less expensive than many other versions of Arduino Uno A USB cable is included SparkFun RedBoard ARD RED 29 includes cable Vernier Arduino Interface Shield BT ARD 25 Vernier and LEGO MINDSTORMS EV3 A a We find that using robotic systems is a great En 2 way to engage students in STEM activities and ca b to teach the engineering cycle of design test redesign In the past we ve worked with LEGO to introduce our sensors into the LEGO NXT robotics system using the NXT Sensor Adapter BTA NXT 39 We have also created a native programming block for the LEGO MINDSTORMS NXT software the Vernier NXT Sensor Block Recently LEGO brought to market the LEGO MINDSTORMS Education EV3 an upgraded robotics system with enhanced capabilities This system has its own software While the Vernier NXT Sensor Adapter is electrically compatible with the new system the EV3 Software requires a new native sensor control programming block similar in concept to but incompatible with the NXT software We have a preliminary version of the new Vernier EV3 Sensor Block available for free download at www vernier com lego ev3 4 THE CALIPER SPRING 2014 WWW VERNIER COM INNOVATIVE USE Electric Shock Drowning This year the FIRST LEGO League competition theme was Nature s Fury Prepare Stay Safe Rebuild Team 1110 the CyborGirlz of Regina Caeli Academy in Spring Texas w
13. the filling solution and rinsing the sensor electrode and cap Keep your lon Selective Electrodes in the humid environment of the storage bottles in which they were shipped If the sponge at the bottom of the storage bottle has dried out simply add a few drops of distilled water For these tips and more visit www vernier com til 1060 Shh Twitter user Washington_STEM tweeted Using VernierST sound probe to help with classroom management shhhhhh in December Washington_STEM is Ben Barkey of the Washington STEM Academy in Warsaw IN Sound Level Meter SLM BTA 165 Maintaining Your Sensor Cables Using sensors day after day with several classes results in wear and tear on your equipment We try to make our equipment sturdy enough to use for many years however cables sometimes get frayed with frequent use You can help prevent premature cable breakage through proper cable wrapping and preventative maintenance First sensor cables should not be wrapped around the sensor While it might be tempting to wind the Stainless Steel Temperature Probe s cable as tightly as possible around the shaft or to wind the Photogate cable tightly around the Photogate this can lead to premature fraying and breakage For proper cord storage techniques see www vernier com til 2377 What if your cables start to fray You need to prevent further damage While we do have a generous five year warranty on most of our products frayed
14. CALIPER dau NEW Vernier Motion Encoder System Measurement of Jerk The ultrasonic motion detector has been a groundbreaking sensor in physics education The importance of real time graphing to student learning was clearly demonstrated using the motion detector But a motion detector can be finicky to set up and use and sometimes graphs are noisier than we d like We wanted to do something even better so we made the Motion Encoder System 2 New Emissions Spectrometer 4 Vernier Products for Arduino VDS EC 424 The Vernier Motion Encoder System is a complete dynamics system with carts track 7 uv vis and associated hardware featuring a novel Cart with a sensor and transmitter a Motion Spectroscopy optical motion encoder to measure cart Encoder Receiver that connects to your position The optical motion encoder interface and a track equipped with a consists of three parts a Motion Encoder Motion Encoder Strip continued on page 2 8 PAR Sensor Experiments NEW Go Wireless Temp A Cool Probe for the Classroom Go Wireless Temp is a versatile temperature probe that is quickly finding its place in the lab This rugged probe is perfect for anyone wanting to do temperature experiments using an iPad for Renewable or iPhone 14 New Products Energy e Connect to a single Go Wireless Temp to collect data for graphing and additional data analysis e Use our free sample labs modified for Go Wir
15. as inspired to study flood conditions based on reports from recent flooding in Ningbo China By interviewing survivors the team learned that many people perished from a phenomenon called electric shock drowning Live power wires under the water create electric fields in the water Gradients in these fields drive current through the victims paralyzing their muscles As little as 6 mA of current can freeze a person s muscles The victim cannot move and then drowns The CyborGirlz created a small robotic boat called the Aquabot The boat carried a LEGO NXT robot two Vernier NXT Sensor Adapters and two Vernier Current Probes with leads immersed in the water Electric field gradients in the water drove current through the Current Probes which was read by the NXT controller The controller then powered two fans to move the boat through the water toward the region of higher current The robot was programmed to stop at the point of maximum danger and sound an alarm In field trials using a one dimensional water tank the Aquabot found the source of the electric fields in the water This project gave students their initial engineering design experience of identifying a problem researching the problem brainstorming and investigating an idea creating and testing a design modifying the design retesting and finally seeing the system work in operation A film of the project is available at http youtu be hPftdh10WnA More information
16. ation see www apple com itunes education Vernier Accounts Update Your Software Did you know that you and your IT team can download the latest versions of Logger Pro and LabQuest Viewer from the Vernier website A Vernier account lets you send update instructions passwords and links to your IT department When it is time for the IT team to update your computers you can help them by granting free 24 7 access to the software you need Sign up for an account at www vernier com account SOFTWARE Graphical Analysis for Android In 2012 we introduced a version of Graphical Analysis for iPad bringing data collection and analysis to a multi touch interface This year we are expanding our offering with Graphical Analysis for Android Using the Data Sharing feature in LabQuest 2 each student receives an individual copy of experiment data for analysis Students annotate the data perform curve fits and make statistical calculations to build evidence of understanding Students can even make a prediction or analyze manually entered data Graphical Analysis for Android will be available soon for download on Google Play What do you have for Chromebook Chromebooks and Chrome OS are supported by the Vernier Data Share web app Vernier Data Share allows for real time data collection and analysis from multiple devices with an offline mode for finishing a lab at home Students can also download their graphs and data for use with Google
17. ched to NODE making it a versatile tool for science education It communicates with most iOS and many Android devices using a collection of free apps by Variable Inc Key NODE sensors are also supported in Vernier s Graphical Analysis for iPad providing additional ways to analyze the data Using the NODE Sensor Platform your students can investigate the physics of motion with its built in 3 axis accelerometer and gyroscope Studying simple harmonic motion is as easy as attaching a NODE to a spring and using Graphical Analysis to collect and analyze data There is also an on board 3 axis magnetometer that can be used to study magnetic fields Simple harmonic motion with the NODE Sensor Platform and Graphical Analysis for iPad By attaching the CLIMA module to NODE your students can study the weather with the sensors measuring temperature barometric pressure relative humidity and light level Any of these four sensors can also be used individually for example learn about the Earth s albedo by using the light sensor to compare the reflectivity of light off of various colors The temperature sensor can be used to monitor the temperature of your classroom overnight The possibilities for you and your students to explore their world with this module are endless 10 THE CALIPER SPRING 2014 WWW VERNIER COM The THERMA module is an infrared temperature sensor that when attached to NODE can measure the surface temperatur
18. cords are not an item we repair One solution is to wrap a sticky and unsightly blob of electrical tape around the fraying portion A neater solution that we have found is to use sugru www sugru com Sugru is a moldable silicone rubber that cures in about 24 hours Follow the directions on the package Mold the sugru around the frayed portion of the wire and let it cure Your wires should last you a while longer this way Frayed cables with sugru in packet above and cables after the application of sugru right THE CALIPER SPRING 2014 WWW VERNIER COM 15 VERNIER SOFTWARE amp TECHNOLOGY Vernier NSTA Technology Award Winners Announced Recipients each win 5 500 in cash and technology Co sponsored by Vernier and NSTA The Vernier NSTA Technology Awards recognize educators for their innovative use of data collection technology Christine and David Vernier presented each of this year s winners with their awards at the NSTA conference in Boston Each winner receives 1 000 in cash 3 000 in Vernier technology and 1 500 towards expenses to attend the conference Below are brief synopses of the 2014 award winning entries ELEMENTARY SCHOOL Bill Burton The Lamplighter School Dallas TX Bill Burton uses a Vernier Force Plate during a lesson that allows his first grade students to explore friction During the investigation students experience the forces required to overcome friction as they pull themselves acro
19. e new version improves navigation between the graph and video Note that this and the previous versions added the important ability to export video analysis data to Graphical Analysis for iPad Once in Graphical Analysis you can perform selections add annotations perform curve fits and create high resolution graphs Updates to Video Physics are always free and are available on the App Store GRAPHICAL ANALYSIS FOR iPAD An update to Graphical Analysis for iPad 2 0 is available in the App Store This update adds support for Go Wireless Temp as well as the NODE Sensor Platform and its THERMA and CLIMA modules Significant updates for iOS 7 compatibility are also made GO WIRELESS TEMP APP The first release of the free Go Wireless Temp app is now on the App Store This app is exclusively for basic data collection with Go Wireless Temp UPCOMING SOFTWARE RELEASES Several important releases will be available this spring Watch for the following titles e LabQuest Viewer 2 0 for Windows and Mac with display of multiple simultaneous LabQuest screens and support for Mac OS X 10 9 e LabQuest Viewer 2 0 for iPad e LabQuest App 2 3 with improved Wi Fi behavior support for the Vernier Energy Sensor and support for Go Wireless Temp on compatible LabQuest 2 interfaces LQ2 LE models only e Logger Pro 3 8 7 with support for the Vernier Energy Sensor as well as updated Data Sharing e LabQuest 1 7 2 with support for the V
20. e of objects from as close as one inch to as far as 15 feet Monitor the temperature of a beaker of ice water as it heats to boiling Add hot water to a variety of travel mugs and use THERMA to see which one stays the coolest on the outside Comparing insulators is a breeze when you can instantly measure the outside surface temperatures of the objects being studied Several other modules are available now including the LUMA Smart Flashlight and CHROMA Color Sensor More are on the way We think you and your students will find many uses for this innovative technology Instructions for the simple harmonic motion and reflectivity of light investigations mentioned above are available at www vernier com node Sensor Platforms NODE Sensor Platform for iOS NODE IOS 99 NODE Sensor Platform for iOS and Android NODE IA 149 Sensor Modules THERMA NODE Module NODE THERMA 75 CLIMA NODE Module NODE CLIMA 50 CHROMA NODE Module NODE CHROMA 99 LUMA NODE Module NODE LUMA 25 Not supported in Graphical Analysis Our New Saltwater Aquarium We can wirelessly collect analyze and share sensor data from our new saltwater aquarium located in the main lobby of the Vernier office in Beaverton Oregon The 125 gallon tank is now home to over 22 different species of fish shrimp crabs anemones and corals Our new PAR Sensor measuring the level of photosynthetically active radiation Optical DO Probe measuring dissolved oxygen Salin
21. eless Temp available on our website at www vernier com gw temp e Change the name of your probes for easy identification when connecting or monitoring Software Updates 12 Logger Pro 3 e Monitor live readings from multiple Go Wireless Temp probes on one or more iPad devices simultaneously e Use the FREE Go Wireless Temp App to display and graph temperature readings in either Celsius or Fahrenheit e Extend data collection and analysis features using Graphical Professional Analysis for iPad available for purchase on the App Store Development 17 e Save money when you purchase our Go Wireless Temp Teacher GW TEMP 75 Pack includes an 8 unit Charging Station GW TEMP TP 550 VERNIER SOFTWARE amp TECHNOLOGY PHYSICS NEW Vernier Motion Encoder System Measurement of Jerk continued from cover The cart senses motion with optical detectors underneath the cart and beams the information to the receiver by infrared light With no sound bouncing from stray objects or different parts of the cart the data are pristine With the Motion Encoder System the position velocity and even the acceleration graph looks great Just for fun we created a graph of the time derivative of acceleration commonly called jerk If you think about what it feels like in a car when the acceleration suddenly changes the time derivative of acceleration is non zero in physics speak you ll know that this quanti
22. ence class We discussed several ideas The one that stood out dealt with West Rowlett Creek the creek that runs through our neighborhood The kids in the neighborhood like to play in the creek and both Owen and Hayden have been a part of several cleanup projects over the years For the science fair project we talked about possible pollution in the creek and the importance of protecting it from harm As Hayden s mentor got him started using a TI Nspire CX handheld and Vernier sensors He used a Stainless Steel Temperature Probe a Conductivity Sensor a pH Sensor and the new Optical DO Probe much easier to use than the regular Dissolved Oxygen Probe by the way He also used a standard Secchi disk and a tape measure to determine creek width and depth This served as a way to determine how recent precipitation levels may influence the concentration of solutes in the creek It did not take him long to use the technology on his own He visited the creek over a two and a half month period taking readings at four different sites one upstream of our neighborhood two within the neighborhood and one downstream of the neighborhood Having access to his school s data collection technology really made a difference in what Hayden was able to achieve He received an honorable mention at his school s science fair which advanced him to the regional competition He won first place in Environmental Science at the Dallas Regional Science amp E
23. ernier Energy Sensor VERNIER SOFTWARE amp TECHNOLOGY LabQuest Viewer for iPad LabQuest Viewer app is now available for iPad With the new app you can e See a list of LabQuests that are on the same network as your iPad e Select your LabQuest to display its screen right on your iPad e Tap on the displayed LabQuest to change data collection parameters start data collection and perform data analysis just as you would the LabQuest itself e Use the Share feature to save images of the LabQuest screen that you can use in documents e Present different LabQuests by selecting another one from the list it s that easy The LabQuest Viewer app can also be used with an original LabQuest with the LabQuest Wi Fi USB Adapter WIFI USB 59 For more information go to www vernier com q view app CA Available on the App Store View and control any LabQuest on your network directly from your iPad Apple Volume Purchase Program Purchasing apps for iOS devices can be a challenge for schools Did you know that your school or department can purchase vouchers to distribute apps such as Vernier Video Physics to multiple devices This is a way to distribute iOS apps to both school owned and student owned devices You can use a purchase order or credit card and school purchases may be tax exempt You receive a 50 discount when purchasing 20 or more copies of Vernier Video Physics or Vernier Graphical Analysis For more inform
24. escent lamp for the UV and visible region respectively The UV VIS Spectrophotometer requires a standard 1 cm path length cuvette and comes with two Starna Cells quartz cuvettes The UV VIS Spectrophotometer makes it possible to conduct some experiments with fewer chemicals For example the original version of Experiment 22 The Synthesis and Analysis of Aspirin from Advanced Chemistry with Vernier used a Colorimeter or visible spectrophotometer to test the absorbance of the salicylic acid impurity after it had been prepared with an iron solution to give it color in the visible spectral region Because salicylic acid has a maximum absorbance around 300 nm in the UV region the Vernier UV VIS Spectrophotometer is able to directly test for the impurity We have written an updated version of Experiment 22 using the Vernier UV VIS Spectrophotometer for analysis and made it available for download from our website The updated version along with additional free experiments and more information on the Vernier UV VIS Spectrophotometer can be found at www vernier com vsp uv VSP UV 1 999 300 Wavelength nm Absorbance spectrum of salicylic acid CHEMISTRY Demonstrating the Existence of Polyatomic lons An Extension to Experiment 14 Conductivity of Solutions from Chemistry with Vernier One of the most disappointing things for a teacher is not being able to provide evidence for a claim that students fi
25. g the Rate Law of a Chemical Reaction SpectroVis Plus e Identifying an Unknown Solid by Melting Temperature Melt Station e A Redox Titration Oxidation Reduction Potential ORP Sensor e The Determination of an Equilibrium Constant SpectroVis Plus e Analyzing a Mixture with a Gas Chromatograph Mini GC Plus The registration fee 199 includes lunch and a copy of the Vernier lab book Investigating Chemistry through Inquiry One Day Subject Specific Institutes ENVIRONMENTAL SCIENCE FIELD BIOLOGY JULy 23 Learn how to integrate probeware into your environmental science or field biology course during this 1 day workshop Specific emphasis will be placed on conducting inquiry based investigations A variety of investigations and sensors will be covered including e Biochemical Oxygen Demand Optical DO Probe e Primary Productivity Optical DO Probe e Investigating Water Quality Conductivity Probe pH Sensor Turbidity Sensor e Soil and Acid Rain pH Sensor e Microclimates PAR Sensor Temperature Probe UVB Sensor The registration fee 99 includes lunch and a copy of the Vernier lab book Investigating Environmental Science through Inquiry ENGINEERING JULY 14 15 Engineering and STEM with Logger Pro JULY 14 Explore several ways to use Logger Pro software and Vernier technology to introduce STEM and engineering during this 1 day hands on workshop You will learn how a Digital Control Un
26. ging and popular way to introduce students to robotics STEM and engineering concepts During this 1 day hands on workshop you will explore different ways to use your Vernier sensors with LEGO robotics You will learn how to use Vernier sensors in the LEGO software development system as well as how to create engaging projects Examples of topics that will be covered e Explore how to use Vernier sensors with LEGO robotics systems e Write LEGO MINDSTORMS programs to read Vernier sensors e Create hands on projects that are great for getting students interested in STEM The registration fee 99 includes lunch a copy of STEM 2 with Vernier and LEGO MINDSTORMS NXT lab book and an NXT Sensor Adapter THE CALIPER SPRING 2014 WWW VERNIER COM 19 Vernier Software amp Technology 13979 SW Millikan Way PRSRT STD Beaverton OR 97005 2886 U S POSTAGE E Ve rner Toll Free 888 837 6437 JAN D www vernier com Salem OR MEASURE ANALYZE LEARN ADDRESS SERVICE REQUESTED Permit No 526 Follow us on Twitter VernierST Like Vernier on Facebook Facebook is a registered trademark of Facebook Inc NEW Vernier Energy Sensor www vernier com ves bta A x The new Vernier Energy Sensor offers an easy way to Paper from ibl quantify voltage current power and energy output pO SOSS FoC FSC C015361 of small wind turbines and solar panels such as those used in our KidWind Experiment Kits SEE PAGE 11 Please
27. graphs made as water cools toward thermal equilibrium in various containers to determine the convective heat transfer coefficient Tracking Heat Islands Make Magazine February 2014 by Forrest M Mims Ill Also found at makezine com projects make 37 trackingheatislands The experiment uses LabQuest 2 with GPS and a Surface Temperature Sensor to study temperature variation as you drive 14 THE CALIPER SPRING 2014 WWW VERNIER COM Are you looking for a bargain Bargains galore can be found in the Clearance section of our website Most of the items in this section have been used once or twice for a workshop or for product testing They have all been refurbished and carry our full warranty Availability of an item may be limited Here are some examples that are available as of the printing of this newsletter e Original LabQuest with power supply and cable LABQ L 225 e Hand Grip Heart Rate Monitor HGH BTA L 89 e Chloride lon Selective Electrode CL BTA L 134 e Calcium lon Selective Electrode CA BTA L 134 e Original Motion Detectors with cable MDO BTD 5 These older blue Motion Detectors have a range of 0 5 m to 6 m and do not have a switch See available items at www vernier com clearance Original Original Motion LabQuest Detector LABQ L 225 MDO BTD 5 includes power includes cable supply and cable VERNIER AWARDS Vernier is proud to be recognized for its philanthropic commitment steady g
28. hed science programs and watershed field trips for students at Taft High School For more information regarding the REEF program visit www salmondrift org New Products for Renewable Energy We are excited to announce the release of the Vernier Energy Sensor and the Vernier Variable Load Together these two new products offer an easy way to quantify energy and power output of small wind turbines and solar panels The Vernier Energy Sensor VES BTA 69 with a range of 30 V and 1000 mA allows your students to easily connect a wind turbine or solar panel to the source terminals and connect a load to the load terminals There s no need to wire a complicated circuit Designed specifically to handle the demands of the KidWind wind turbines and solar panels the Vernier Energy Sensor is the perfect sensor for renewable energy data collection The Vernier Variable Load VES VL 49 is a versatile variable resistive load with a range of 6 Q to 255 Q It has a maximum input power of 1 W Designed to be used with the Vernier Energy Sensor it s now easier than ever to match the internal resistance of your wind turbine generators so that your students can maximize the power output of their turbines Explore the relationship between load and power output with a free experiment available from www vernier com kidwind To help you make the most of the Vernier Energy Sensor and the Variable Load we will be releasing a new lab book
29. ics prototyping platform to create a lighter system to reduce the cost of the balloon launch Interested in submitting an application of your own Applications are due November 30 2014 www vernier com grants and cosine As got older realized it was just a phase As a child was obsessed with the difference between sine VERNIER SOFTWARE amp TECHNOLOGY PROFESSIONAL DEVELOPMENT Free Hands On Data Collection Workshops Calling all science educators Join us for a four hour exploration of the latest and greatest in Vernier probeware and data collection technology You will conduct hands on experiments using various sensors with the LabQuest 2 interface These workshops are perfect for science educators interested in e Evaluating our award winning data collection technology e Getting started with probeware and data collection e Refreshing their knowledge of Vernier equipment e Learning from the experts Attendees receive e Four hours of free training e Light lunch or dinner e Workshop Training Manual on CD e Discount on an equipment package AL Birmingham 4 17 AZ Phoenix 4 26 AR Little Rock 4 15 CA San Bernardino 4 28 Irvine 4 29 4 30 San Jose 5 7 Oakland 5 8 CO Ft Collins 4 14 Denver 4 15 Colorado Springs 4 16 CT Hartford 4 22 MS Jackson 4 16 NJ Newark 4 24 Princeton 4 26 NY White Plains 4 23 SD Rapid City 4 12 TN Memphis 4 14
30. iennial Conference on Chemical Education Allendale MI August 3 7 e International STEM Education Association Branson MO October 12 14 e New Jersey Science Convention Princeton NJ October 14 15 e NSTA Area Conference Richmond VA October 16 18 e NSTA Area Conference Orlando FL November 6 8 e National Association of Biology Teachers Cleveland OH November 12 15 e Conference for the Advancement of Science Teaching Dallas TX November 20 22 e NSTA Area Conference Long Beach CA December 4 6 18 THE CALIPER SPRING 2014 WWW VERNIER COM Hands On Summer Institutes in Oregon Join us at our office in Beaverton Oregon for any of seven institutes we are conducting this summer You will be able to take a tour of our new office addition visit the Vernier museum and even take a ride on our new slide Details on all of these workshops can be found at www vernier com training subject specific institutes Two Day Subject Specific Institutes BIOLOGY AP BIOLOGY JULY 21 22 This 2 day hands on workshop gives you the opportunity to explore how to integrate probeware into your biology courses Specific emphasis will be placed on conducting inquiry based laboratory investigations Experiments and sensors include e Grip Strength and Muscle Fatigue Hand Dynamometer e Cell Respiration CO Gas Sensor e Yeast Metabolism and Evolution of Yeast CO Gas Sensor e Testing Catalase Activity Gas Pressure Sensor e The Visible
31. ing ENGINEERING Marbles in Motion For the second year in a row Vernier teamed up with a local organization Business Education Compact BEC to bring the joy of engineering to local students through a program called BEC STEM Connect Volunteers from Vernier spent time with fourth and fifth grade students at Vose Elementary in Beaverton Oregon answering the questions What is engineering and What do engineers design Students at this Title school had the opportunity to design and build a ramp for a marble that needed to strike a target zone on the floor They based their designs on what they learned about potential energy and kinetic energy New Adapter and Sample Programs for NI myDAQ The NI myDAQ from National Instruments is a data acquisition instrument designed for students performing hands on engineering measurement and control experiments The new Vernier myDAQ Adapter allows you to connect two Vernier analog sensors and one digital sensor to the NI myDAQ interface The NI myDAQ is programmed with NI LabVIEW software introducing students to software that is used throughout the engineering disciplines in both research and industry LabVIEW sample programs are available on the Vernier website to help you get started using Vernier sensors with NI myDAQ Use the examples and the programming tips in the Vernier myDAQ Adapter User Manual to create your own programs to take biomedical measurements calib
32. it DCU can be used to develop logic based sensor control systems and how you can use Logger Pro software for testing as you work through revisions using the engineering design method Some of the exercises you will perform e Controlling inexpensive DC devices motors buzzers LEDs and others with the DCU e Creating an automated sensor controlled apparatus e Calibrating an analog sensor e Building your own sensor e Investigating student bridges The registration fee 99 includes lunch and a Vernier Digital Control Unit Vernier Sensors with Arduino JULY 15 The availability of inexpensive easy to program microcomputers such as Arduino make STEM and engineering projects easy and affordable This 1 day hands on workshop gives you the opportunity to explore different ways to use your Vernier sensors with an Arduino microcontroller You will learn the fundamentals of programming the Arduino and be introduced to the sample code available on our website Some of the topics that will be included e Connecting and calibrating Vernier sensors e Writing programs called sketches for Arduino to read Vernier sensors e Logging data with Arduino and exporting data to Logger Pro for analysis e Creating interactive Arduino projects The registration fee 99 includes lunch and a Vernier Arduino Interface Shield and an Arduino RedBoard Vernier Sensors with LEGO JULY 15 LEGO robotics technology provides an enga
33. ity Sensor pH Sensor and Stainless Steel Temperature Probe connected to two LabQuest 2 units help to monitor the tank s health Visitors to our office can use their iPhone iPad or Android devices to connect to each LabQuest 2 using the QR codes posted on a sign on the tank Measuring photosynthetic light levels and dissolved oxygen concentration in the saltwater aquarium using the PAR Sensor and the Optical DO Probe i p i y Me on i 1 VERNIER SOFTWARE amp TECHNOLOGY ENVIRONMENTAL SCIENCE Vernier Partners with KidWind We recently teamed up with KidWind a leader in renewable energy education to offer wind and solar energy education kits We are now the sole manufacturer and distributor of the KidWind wind and solar products We re excited to integrate our sensors including the new Vernier Energy Sensor with the model wind turbines and solar panels This allows students to explore electrical concepts and quantify energy and power output of small turbines and solar power The Wind Turbine Hub included in the Advanced and Basic Wind Experiment Kits makes it easy for students to design their own blades and test blade variables Integrating the Next Generation Science Standards NGSS Science and Engineering Practices including Planning and Carrying Out Investigations Constructing Explanations and Designing Solutions and Engaging in Argument from Evidence is now easier than ever We ve written some experime
34. l programs engineering programs and outreach initiatives are extremely valuable for schools that are integrating hands on project based STEM curriculum For more information on the INDYCAR racing series visit www indycar com For more information on PLTW and their STEM education curricular programs used in elementary middle and high schools across the U S visit www pltw org THE CALIPER SPRING 2014 WWW VERNIER COM 3 VERNIER SOFTWARE amp TECHNOLOGY ENGINEERING Vernier Products for Arduino In the last issue of The Caliper we announced the availability of sample code and instructions for do it yourself interfacing of our sensors with Arduino microcontrollers www vernier com arduino SparkFun has now developed a new product the Vernier Arduino Interface Shield for Arduino This shield was developed for use with the SparkFun RedBoard Arduino but will work with the Arduino Uno and other Uno equivalents like the Leonardo It even works with the new Intel Galileo The Vernier Arduino Interface Shield is now available from Vernier It has two BTA ports for analog sensors and two BTD ports for digital sensors allowing you to collect data from up to four sensors simultaneously Using sketches Arduino code downloaded from our website Vernier sensors will auto ID You can be collecting data in minutes We are also now selling the SparkFun RedBoard which is SparkFun s version of Arduino Uno RedBoard works great with
35. nd difficult to accept When students ask how it is possible to know that CaCl produces three ions while NaNO produces only two it is difficult to provide an easy convincing answer Larry Dukerich a chemistry and physics teacher with over 34 years of teaching experience developed an extension to Experiment 14 Conductivity of Solutions in Chemistry with Vernier to help demonstrate the existence of polyatomic ions Solid substances known as salts e g potassium chloride potassium nitrate yield ions when dissolved in water These ions permit the flow of an electric current through the solution Increasing the ion concentration increases the ability with which the solution carries an electric current and results in a higher conductivity This experiment can provide data to support the claim that some ions are polyatomic Students and instructors can perform trials with solutions of different salts including KCI CaCl KNO3 and NH NO3 Comparing the graphs of conductivity vs drops of solution added for the electrolytes shows that the slope for CaCl is 1 5 times as great as that of KCI Since conductivity is proportional to the number of ions in solution the data will support the hypothesis that each formula unit of CaCl produces three ions for every two produced by KCI However the existence of polyatomic ions still needs to be addressed In the procedure the next set of trials investigates the conductivity of KNO and
36. ngineering Fair making him eligible to compete in the Exxon Mobile Texas State Science amp Engineering Fair in San Antonio He is very excited and feels like his project is making people aware of the importance of water quality of aquatic ecosystems Hayden is very happy about the awareness he has generated Erick Archer is a former teacher with a background in biology He is currently Market Strategy amp Programs Manager for Science amp STEM Education at Texas Instruments VERNIER SOFTWARE amp TECHNOLOGY Vernier UV VIS Spectrophotometer Several years ago we introduced the SpectroVis Plus Spectrophotometer as a cost effective option for teachers who were searching for a spectrometer that measured absorbance in the visible light region The SpectroVis Plus has been popular in biology and chemistry classrooms for investigating compounds that absorb light in the wavelength range from 380 nm to 950 nm We are excited to announce an important addition to our spectroscopy options The new Vernier UV VIS Spectrophotometer is an affordable instrument for measuring the absorbance spectra of compounds in the wavelength range from 220 nm to 850 nm Use the UV VIS Spectrophotometer to collect a full absorbance spectrum and select a specific wavelength in order to monitor the rate of a reaction or collect data for an absorbance vs concentration experiment The spectrophotometer uses a linear CCD detector with a deuterium and incand
37. nts to help you get started See www vernier com kidwind Vernier Volunteers with Restoring Ecosystems Educating Future Conservation Leaders REEF Vernier specialists Colleen McDaniel and Kristen Nelson volunteered their time to instruct students from Taft High School in Lincoln City Oregon about sampling water quality with LabQuest 2 at nearby Crowley Creek Crowley Creek feeds into the Salmon River Estuary and provides an excellent opportunity to educate students about water quality Students used the Optical DO Probe pH Sensor Salinity Sensor Stainless Steel Temperature Probe and PAR Sensor to sample water directly in Crowley Creek This was an introduction to hands on water investigations they will experience later in class Chemistry teacher Dustin Quandt will be working with almost Salmon River Estuary on the Oregon coast 100 students to monitor different locations contributing to the Salmon River Estuary throughout the rest of this school year He reached out to the REEF program to establish this outdoor field trip for his students The Restoring Ecosystems Educating Future Conservation Leaders REEF program is an educational partnership developed by Salmon Drift Creek Watershed Council to protect and restore local watersheds to provide environmental awareness and to provide conservation career development REEF is collaborating with the Oregon Coast Aquarium and the Ocean Literacy Initiative to deliver waters
38. nuary 2014 by Michael C LoPresto Henry Ford College Dearborn MI This article shows how to use PVC pipe and a trumpet mouthpiece to make a musical instrument and then study the frequencies it produces related to the tube length of the instrument It also explains how the presence of a bell at the end of the tube can change the tone quality as shown using an FFT Logger Pro or a LabQuest would handle this well On the Intensity Profile of Electric Lamps and Light Bulbs The Physics Teacher November 2013 by Xavier Bacalla and Edcel John Salumbides University of San Carlos Cebu Philippines and VU University Amsterdam The Netherlands The light intensity vs time graphs over a short time 0 1 s are compared for fluorescent and incandescent lamps Pulse Oximetry in the Physics Lab A Colorful Alternative to Traditional Optics Curricula The Physics Teacher November 2013 by Ellynne Kutschera Justin C Dunlap Misti Byrd Casey Norlin and Ralf Widenhorn Portland State University The authors explain the principles of pulse oximetry They use our SpectroVis Plus to show how the ratio of light transmissions at two wavelengths can lead to a non invasive determination of the oxygen level of blood Measurement of the Convective Heat Transfer Coefficient The Physics Teacher February 2014 by Rosaria Conti Aurelio Agliolo Gallitto and Emilio Fiordilino University of Palermo Italy This article explains how to use temperature vs time
39. ollaborative learning For more information and specific site dates visit www vernier com training independent THE CALIPER SPRING 2014 WWW VERNIER COM_ 17 VERNIER SOFTWARE amp TECHNOLOGY PROFESSIONAL DEVELOPMENT Hands On Summer Institutes School may be closed this summer but the learning never stops at Vernier Join us for a full day exploration of Vernier s award winning line of computer and handheld data acquisition technology You ll leave the workshop ready to excite your students learning with data collection The cost of the institute is 99 which includes a lab book of your choice Please see our website for Training Package pricing The registration form can be found at www vernier com training summer institutes AR Little Rock 6 20 DC Washington 7 18 IA Des Moines 6 25 IL Chicago 6 27 MA i Boston 7 9 MD Baltimore 7 16 MN Minneapolis 6 23 MT Missoula 8 6 NY Long Island 7 11 OR Beaverton 8 13 PA Philadelphia 7 14 TX San Antonio 6 16 Dallas 6 18 VA Norfolk 7 21 WA Spokane 8 8 Free Hands On Training at Conferences Vernier will offer hands on workshops at each of these conferences For a full listing of our conference exhibits check our website at www vernier com conferences e NSTA STEM Forum amp Expo New Orleans LA May 14 17 e American Association of Physics Teachers Minneapolis MN July 26 30 e B
40. ommodate a variety of temperature probes and thermometers as well as to help position the probe or thermometer properly The larger slot fits most stick type sensors from pH Sensors to lon Selective Electrodes to Dissolved Oxygen Probes e The updated ring stand clamp allows for a wider range of ring stand sizes and for clamping to a lab frame The Drop Counter is an integral part of several of our acid base titration experiments Check out Experiment 24 in Chemistry with Vernier Experiment 7 in Advanced Chemistry with Vernier or Experiment 17 in Investigating Chemistry through Inquiry VDC BTD 99 Choosing a Spectrometer Vernier offers a number of spectrometers Which spectrometer is right for you This is an important question The first step begins with identifying the applications for which you want to use your spectrometer We offer spectrometers that measure absorbance fluorescence and or emissions To help you decide which one is right for you visit the spectrometer web page at www vernier com spectrometers We sell two visible range spectrometers that can be used to study compounds that absorb light from 380 to 950 nm SpectroVis Plus SVIS PL 469 a great budget friendly option offers fluorescence capabilities with excitation at two different wavelengths 405 and 500 nm The Vernier Spectrometer V SPEC 1 399 powered by Ocean Optics technology is an excellent choice for college chemistry Do you
41. ou are just using the CO Gas Sensor But we recommend using at least 40 50 peas if you want to see significant changes in oxygen concentration This is very important especially if you are using peas that have only been germinating for 12 24 hours e Oxygen levels are very high in ambient air 20 9 and your students are measuring a relatively small change in concentration over time in this experiment This change will be much easier to observe if your students change the units to ppt or ppm By following these suggestions you and your students should get good results when using the CO and O Gas Sensors at the same time F P a i Pal LA 4 Re CO2 ppt Oxygen Gas 8201 73 py Oxyg ppt Cellular respiration in germinating peas THE CALIPER SPRING 2014 WWW VERNIER COM 9 VERNIER SOFTWARE amp TECHNOLOGY BIOLOGY AND ENVIRONMENTAL SCIENCE NODE Wireless Sensors Wireless sensors offer a new way to investigate scientific phenomena using mobile devices Vernier has partnered with Variable Inc to support their NODE sensors as one of our entries into this new world The NODE Sensor Platform is a compact battery powered Bluetooth device containing a 3 axis accelerometer gyroscope and magnetometer Only 9 cm in length and 2 5 cm in diameter you can get it into small spaces or have a it serve as the experimental object such as a pendulum bob Additional sensor modules can be atta
42. r analytic mathematical modeling Some recent developments include the new electricity and magnetism labs in the 3rd Edition of RTP ILDs using personal response systems clickers and interactive video analysis The tools and software accompanying these active learning strategies are available for both Mac and Windows computers Participants will receive complimentary copies of the active learning curricula along with Teaching Physics with the Physics Suite a comprehensive book by E F Redish University of Maryland on strategies for implementing physics education research based curricula The curricula are also available in the High School e dition which is a more convenient form for high school use Physics topics will be chosen from both semesters of the introductory physics course For more information and to register visit http pages uoregon edu sokoloff CHAUT htm Modeling Workshops at Arizona State University Arizona State University in Tempe invites high school physics chemistry and physical science teachers nationwide to enroll in its summer 2014 Modeling Workshops Modeling Workshops thoroughly address many aspects of high school science teaching including strategies for integrating model centered guided inquiry teaching methods with course content Workshops incorporate up to date results of physics and science education research sample high school curricular materials hands on use of technology and experience in c
43. r in Oregon for 14 years Vernier Software amp Technology is an Equal Opportunity and Affirmative Action Employer Applications will be accepted online through May 5 2014 at www vernier com jobs Summer Storage Tips Packing up your Vernier equipment for storage over the summer Here are a few tips to ensure proper storage over summer break e Turn your LabQuest 2 or original LabQuest completely off and disconnect from the Charger In sleep mode the battery drains much more quickly than when the unit is all the way off To fully shut down press and hold the power button for a full five seconds until LabQuest 2 displays the Shutdown message or an original LabQuest displays a black screen If your school storage area is especially hot when the air conditioning is off for the summer we recommend that you keep them in a location that remains cooler Store your pH Sensors and Oxidation Reduction Potential ORP Sensors vertically in the storage solution provided The storage solution needs to be replaced once a year and replacement solution can be purchased if needed PH SS 16 If the solution looks cloudy before vacation it is probably best to change it before you leave Make sure no liquid either in a cuvette or spilled is inside your Colorimeter Store your Oxygen Gas Sensors upright using the 250 mL Nalgene bottle that was shipped with the sensor Make sure your Dissolved Oxygen Probes are completely dry after emptying
44. rate sensors or build sensor based automation and control projects For more information on the Vernier myDAQ Adapter and to view the User Manual go to www vernier com bt mdaq To download our NI myDAQ LabVIEW examples go to www vernier com lv downloads BT MDAQ 59 THE CALIPER SPRING 2014 WWW VERNIER COM 5 VERNIER SOFTWARE amp TECHNOLOGY ENGINEERING amp MATH New Design for the Digital Control Unit DCU The Vernier DCU is an electronic device that allows on off control of motors lamps LEDs buzzers and other DC electrical components It works with any Vernier interface that has at least one DIG port SensorDAQ LabPro LabQuest 2 original LabQuest and LabQuest Mini The DCU can be used to create sensor based projects such as alarm systems temperature controlled environments automated scientific instruments kinetic sculptures and smart robots DCU projects are a great way to introduce STEM engineering electronics programming or the mathematics of feedback and control The DCU provides the capability of controlling digital output lines via the digital ports on Vernier interfaces in response to input from Vernier sensors The output voltage up to 12 volts is set by an external supply and each line can source up to 600 mA of current DCU BTD 61 DCU Power Supply IPS 12 The redesigned DCU is completely compatible with all previous Vernier interfaces and instructional materials
45. rowth and as one of the Best 100 Companies to Work For in Oregon for 14 years 281 ATES GRR PRIVGTE 88 BUSINESS JOURNAL FASTEST GROWING INTERNATIONAL AWARD FOR LABQUEST CORPORATE PHILANTHROPY PRIVATE COMPANIES AWARD FOR 2013 PLACED 26TH OF 100 2013 HEALTHIEST HALL OF FAME BEST GREEN COMPANIES EMPLOYERS OREGON BUSINESS IN OREGON 2ND PLACE AWARD Logger Pro LabQuest LabPro Vernier and caliper design Go Link Go Temp Logger Lite Vernier EasyTemp Vernier EasyLink Vernier EasyData and Connected Science System are our registered trademarks in the United States Vernier Software amp Technology vernier com Go Wireless and Graphical Analysis are our trademarks or trade dress All other marks not owned by us that appear herein are the property of their respective owners iPhone iPad and iPod touch are trademarks of Apple Inc registered in the U S and other countries VERNIER SOFTWARE amp TECHNOLOGY JOB OPENING AT VERNIER Vernier s engineering education department is currently hiring an Engineering Educational Technology Specialist If you want to help shape the future of STEM education at Vernier consider applying We are looking for someone with teaching experience in physics and or engineering using Vernier products experience with STEM topics such as robotics and programming Physics First NGSS and AP IB physics are all of interest We have been named one of the 100 Best Companies to Work Fo
46. s This is the power of electromagnetic radiation in the spectral range that is used by plants for photosynthesis 400 700 nm The sensor has a waterproof sensor head which makes it ideal for use in aquatic field studies But it can also be used with artificial light sources which makes it excellent for investigating photosynthesis or primary productivity in the classroom With this in mind we have developed three new experiments PAR Attenuation in Water and two new versions of Photosynthesis and Respiration using the PAR Sensor and CO Gas Sensor In the first experiment students observe how PAR attenuates with water depth in the field With the PAR Sensor attached to a Secchi disk PAR Sensor mounted on a Secchi disk VERNIER SOFTWARE amp TECHNOLOGY Colleen McDaniel lowers the PAR Sensor and Secchi disk into the Willamette River PAR Levels Decrease with Water Depth 200 t Ch 3 Light attenuation as a function of depth students measure PAR values at different depths Our sample data shown above illustrate how PAR attenuates as a function of depth in Portland s Willamette River In Photosynthesis and Respiration students use a CO Gas Sensor and a PAR Sensor to investigate how PAR levels influence photosynthetic rate As shown in the sample data below as PAR level increases so does the rate of photosynthesis Two versions have been developed a standard version and an inquiry ver
47. sion Student and teacher instructions for all three activities described above are available as free downloads at www vernier com par bta CO Uptake by Leaves Rate of Photosynthesis 4 COs pps PPFD pma m s Relationship of photosynthetic rate to PAR level BIOLOGY Tips and Tricks for Excellent Cellular Respiration Data Cellular respiration is a fundamental concept in biology Our CO and O Gas Sensors make it easy for your students to study this concept producing excellent data as shown below However you can t just place a few peas in a chamber and expect to see great results when using both sensors at the same time Our resident biologists have recently revisited the Cellular Respiration experiments in Biology with Vernier and Advanced Biology with Vernier to provide you with the following tips and tricks for consistently good results when using both sensors e For best results you should follow the Teacher Information which calls for using peas that have been allowed to germinate for three days However you can still get very good data with peas that have been soaked for 12 24 hours You just need to use more peas e Blot the peas with a paper towel before you put them in the chamber Excess water vapor can interfere with both sensors e Use the BioChamber 250 as the sample chamber and fully line the bottom with peas to maximize the number of peas in the chamber Twenty five peas work fine if y
48. ss several hundred tennis balls As students experience this activity a graph of the data collected by the Force Plate is projected on an interactive whiteboard for class discussion MIDDLE SCHOOL David Auerbach Cardigan Mountain School Canaan NH Encouraging hands on scientific discovery David Auerbach has students participate in the C Prize project a takeoff of the X Prize in which students construct and test rocket prototypes to learn about speed velocity and acceleration Additionally they identify variables develop hypotheses and analyze data using photogates Christine Gleason Greenhills School Ann Arbor MI Focusing on the themes of energy and sustainable resources Christine Gleason has her eighth grade students build a classroom sized alternative energy system as part of an end of year project With the help of technology students will take electrical power measurements comparable to those being made on the school s rooftop wind turbine system on their own classroom projects and then improve upon their designs SCIENCE HUMOR So a bar walks into a physicist Sorry wrong frame of reference 16 THE CALIPER SPRING 2014 WWW VERNIER COM HIGH SCHOOL Gary Garber Boston University Academy Boston MA Unlike many traditional high school pendulum experiments Gary Garber s students use sensors including photogates motion detectors and accelerometers as well as computer
49. st a barrier crash zone using simple construction supplies Prior to starting the challenge students learned about the incredible forces experienced by drivers during a crash heard about how INDYCAR engineers developed the SAFER Barrier Steel and Foam Energy Reduction to provide crash zone protection and examined an actual SAFER Barrier Students were divided into teams of four and were provided with materials dimensions and constraints for the challenge Data from a baseline test using a piece of wood as a barrier were also provided to the students so that they could compare their results to acceleration values of a worse case scenario Each team was then given 15 minutes to construct a prototype measure performance discuss modifications modify the design and repeat the iterative design and test process To test their barriers students used a Vernier LabQuest 2 and a 25 g Accelerometer attached to a small model car to collect data while the car rolled down a track and into the barrier they designed Following this fun and competitive challenge the teams discussed their results designs and what makes an effective SAFER Barrier Vernier has developed a strong partnership with Project Lead The Way We value their mission to prepare students for the global economy By providing a comprehensive curriculum package based on national standards focusing on teacher training and integrating Vernier technology and sensors the PLTW biomedica
50. study absorbance spectra of compounds in the ultraviolet range Check out the new Vernier UV VIS Spectrophotometer VSP UV 1 999 With the UV VIS Spectrophotometer you can 8 THE CALIPER SPRING 2014 WWW VERNIER COM monitor the rate of a reaction or collect data for an absorbance vs concentration experiment for compounds that absorb light in the UV and visible range 200 to 850 nm UV VIS Spectrophotometer specifications and free downloadable experiments can be found at www vernier com vsp uv If your application involves looking at emissions spectra from light bulbs or gas discharge tubes you may be interested in the new Vernier Emissions Soectrometer VSP EM 799 The Vernier Emissions Spectrometer gives precise measurements over a range of 350 to 900 nm If you remain undecided about which spectrometer would be the best option for you watch our Tech Tips video Which Spectrometer is Right for Me at www vernier com v185 And of course if you continue to have questions feel free to call and ask for a chemistry specialist Experiments Using Our New PAR Sensor Colleen McDaniel one of our Biology Specialists has found that our new PAR Photosynthetically Active Radiation Sensor is an excellent sensor for biology environmental science and agricultural science experiments The PAR Sensor reports Photosynthetic Photon Flux Density PPFD measured in units of micromoles of photons per meter squared per second umol m
51. ty is well named Creating a useful graph of jerk requires that the underlying position data are very clean as any bit of noise will be magnified by the successive derivatives Even the acceleration and jerk graphs are pristine for this cart on ramp experiment Here s the family of graphs for a cart rolling up and down an inclined track With sufficiently low friction the acceleration should be nonzero and constant while the cart is freely rolling The jerk should then be close to zero in the same time interval As you can see the graph of jerk is close to zero throughout the rolling time but it is non zero when the cart is launched and caught Data from a conventional motion detector wouldn t look nearly this clean In addition to such high quality data the Motion Encoder System is very easy to set up with non critical assembly and immunity to noise from other objects and other encoder systems No finesse is required it just works every time Between quick and non critical setup and data this clean and free of extraneous spikes your students can focus on the physics Isn t that the point If you already own a Vernier Dynamics System economical upgrade kits are available so you can add encoder capability to parts you already own See vernier com vds ec for more details The Vernier Motion Encoder System works with LabQuest 2 original LabQuest LabQuest Mini and LabPro The Vernier Motion Encoder System VDS
52. u can download its full installer at any time no waiting for a CD or download link LABQUEST APP 2 2 1 LabQuest App 2 2 1 for LabQuest 2 was released in January 2014 Version 2 2 1 adds support for new sensors PAR Sensor Vernier UV VIS Spectrophotometer Vernier Emissions Spectrometer and the Vernier Motion Encoder System Meters have been enhanced with new analog display modes and digital filtering Wi Fi connection stability has been improved We have again updated support for the Connected Science System with a new version of the Data Share web app We recommend that all LabQuest users update to this release This free update to LabQuest 2 is available at www vernier com Iq2updates LABQUEST APP 1 7 1 LabQuest App 1 7 1 for the original LabQuest was released in January 2014 Version 1 7 1 adds support for new sensors PAR Sensor Vernier Emissions Spectrometer Vernier UV VIS Spectrophotometer and the Vernier Motion Encoder System For more information about this free update see www vernier com Iqupdates 12 THE CALIPER SPRING 2014 WWW VERNIER COM LOGGER LITE 1 6 Logger Lite 1 6 was released in April 2012 to support LabQuest 2 The previous release of Logger Lite added support for LabQuest Mini and Windows 7 including 64 bit machines as well as linear fits The free update is available at www vernier com Ilupdates VIDEO PHYSICS FOR iOS The current version of Video Physics is 1 2 1 updated in August 2013 Th
53. ydrogen emission spectrum The scientists at Vernier have written two experiments to help you and your students perform this fundamental experiment The Spectrum of Atomic Hydrogen Experiment 21 in Advanced Physics with Vernier Beyond Mechanics and The Rydberg Constant available for free on our website www vernier com vsp em In addition Richard Born Ph D a professor who uses our products frequently contributed an experiment A Quantitative Investigation of the Helium Spectrum for use with the Vernier Emissions Spectrometer The full experimental write up is available for free on our website at www vernier com r141 Hydrogen Emission VSP EM 799 Spectrum of hydrogen gas discharge tube for investigation of Balmer lines Updated Physics with Vernier Lab Book is Now Available The second edition of Physics with Vernier is now shipping Many experiments have been updated and improved to include better Preliminary Questions to help get students thinking about the activity enhanced graphics and time estimates for each experiment Instructor pages now include more equipment and data collection tips as well as new sample results The new edition also includes experiments updated for use with some of our newer equipment such as the Vernier Projectile Launcher used in Experiment 8B Projectile Motion and the Optics Expansion Kit and Polarizer Analyzer Set used in Experiments 28A and 28B Polari
54. zation of Light Experiment 28B also utilizes the Rotary Motion Sensor to simplify data collection PWV 48 If you already own a copy of Physics with Vernier and would like the updated files for the student pages email us at bookupdates vernier com We will send you a link to download the updated student files If you would rather have a printed copy that includes the updated student and teacher pages plus a CD the book can be purchased for 48 order code PWV Correlations to the AP Physics 1 and 2 curricula can be viewed at www vernier com ap pwv AP and Advanced Placement Program are registered trademarks of the College Entrance Examination Board which was not involved in the production of and does not endorse this product STEM at the Racetrack In 2013 Project Lead The Way PLTW partnered with INDYCAR to create a unique outreach initiative for eighth grade students called The Future of Fast Activity pods were set up at various INDYCAR race venues throughout the country to provide hands on STEM activities centered on the INDYCAR car tires fuel engine and safety The goals of these INDYCAR themed activities were to show students how engineers and scientists play key roles in the sport to highlight connections between what students study in the classroom and real world situations and to ignite student interest in math and science In one of the race day activities students were challenged to design build and te
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