Vernier Software and Technology
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GLOBE Takes Go Direct® to the Field

Students from Croatia and Japan use Go Direct sensors in Killarney National Park
Students from Croatia and Japan use Go Direct sensors in Killarney National Park.

In July, more than 100 students from 35 countries used our Go Direct sensors to test the water in Ireland’s Killarney National Park as part of the 2018 GLOBE Learning Expedition (GLE). This event is part of the GLOBE Program and is held every few years in different locations around the world. The GLE brings together students, teachers, and scientists for a week of sharing and learning about science, the environment, and each other’s cultures. As part of this year’s student field experience, Go Direct sensors were used to measure temperature, pH, conductivity, and dissolved oxygen levels along the Deenagh River. This beautiful river runs along the edge of the park, near the town of Killarney. The students’ sensor data, along with a survey of macroinvertebrates, indicated that the Deenagh is in excellent health.

Using Go Direct sensors wirelessly in this type of environment was a game-changer for many students and their teachers. The new Go Direct® Optical Dissolved Oxygen Probe was especially useful as it reports not only dissolved oxygen concentration, but temperature and atmospheric pressure as well. By connecting Go Direct sensors via Bluetooth® wireless technology, one student can stay safely on the shore with a LabQuest 2, mobile phone, or other device, while another student holds the sensor in the water. Everyone agreed that the simplicity and accuracy of Go Direct sensors make them an excellent choice for students conducting field work.

We are proud to work with the GLOBE Program, an international science and education program whose mission is to promote the teaching and learning of science, enhance environmental literacy and stewardship, and promote scientific discovery. For more information, visit the GLOBE Program page»

Free Climate Change Resource

The Teacher-Friendly Guide to Climate Change cover

The Paleontological Research Institution in Ithaca, NY, has produced its latest book in the Teacher-Friendly Guides series, The Teacher-Friendly Guide to Climate Change.

This guide has many useful resources for incorporating climate change lessons into science programs and has been mailed to science teachers at every school in seven states. It is also available as a free download.

What’s New with the DCU?

You can now use our wireless Go Direct sensors with the Digital Control Unit (DCU) to control small electronic devices (e.g., motors, LEDs, and lights). Last year, you may recall, we added the capability to control the DCU from LabQuest 2. This year, when LabQuest 2 gained the ability to connect with Go Direct sensors, we once again expanded the DCU’s capability. Wirelessly connect your Go Direct sensor(s) to LabQuest 2, connect the DCU to LabQuest 2, and program the DCU to turn on components based on the sensor values.

With Go Direct sensors and the DCU, you can use output from a heart rate monitor to light up LEDs that help test subjects maintain a target heart rate. Or, if your students struggle to stay awake, you can have them create an alarm that triggers when carbon dioxide levels get too high in your classroom. You could even program a fan to turn on and bring in some fresh air!

The LabQuest DCU interface is accessed through the Sensors tab
The LabQuest DCU interface is accessed through the Sensors tab

We have also created a kit of components that run on DC power in order to make it easier for you to integrate the DCU into your classroom. The Digital Control Unit Power Output Kit contains lights, LEDs, and a motor, along with connecting wires. We believe this will make it much easier to integrate simple programming logic, the engineering design process, and process control concepts into your science or engineering classroom.

Alligator clips provide a convenient way to connect components
Alligator clips provide a convenient way to connect components

For those of you who may be new to the Digital Control Unit, the device is designed to turn on a DC powered electrical component based on simple logic statements (greater than or equal to, or less than or equal to) associated with sensor values or time. It can be set up and controlled in Logger Pro 3 software or the LabQuest app. Compound statements using “and”, “or”, “until” statements allow for fairly complex control. For more information go to Digital Control Unit page.

Vernier is in the Top 10 of the 100 Best Green Workplaces in Oregon

Oregon Business - Best Green Companies in Oregon 2018

Community cleanups, renewable energy, and public transportation benefits are just a few examples of our commitment to the environment. This year, Vernier ranked 8th on the list of the 100 Best Green Workplaces in Oregon, and we received recognition for having been on the list for the past 10 years.

At Vernier, we focus on sourcing from local venders, generating our own solar power, and providing our employees with annual TriMet passes to encourage the use of public transpiration. Our building is also LEED Gold certified. Vernier employees participate in multiple commuter challenges, such as the Bike More Challenge, that encourages participants to ride their bikes to work. Our two on-site, certified Master Recyclers work with many local recycling organizations to prevent recyclable materials from ending up in landfills, and our Green Team of Vernier employees continues to make improvements to our processes and encourage sustainability throughout the company. We are also founding members of the Oregon Business Alliance for Climate and have signed the We Are Still In pledge.

The awards were announced in the June 2018 edition of Oregon Business Magazine. For more information about the sustainable practices that we implement every day, visit our environment page.

Vernier Structure & Materials Tester Used in Nashville Bridge Competition

By Janey Camp, Vanderbilt Engineering Faculty Member and Education Outreach Chair for the Nashville Branch ASCE

On March 3, 2018, the Nashville Branch of the American Society of Civil Engineers (ASCE) hosted its 10th Music City Bridge Competition with 54 bridges submitted for qualifications testing and 38 bridges tested to failure. The competition is open to any and all high school students in Middle Tennessee and serves as a qualifying competition for the Illinois Institute of Technology’s International Bridge Building Contest. Winners of the Music City Bridge Competition are based upon a calculated efficiency of how much mass the bridge holds divided by the mass of the bridge.

For the past two years students have used the Vernier Structures & Materials Tester (VSMT) to test their bridges. The VSMT allows students to test bridges faster and easily display the results of bridge performance

Students arrived at the competition with their bass wood bridges completely constructed, and the bridges were checked to see if they qualified to be tested. In the past, testing was conducted by a team of volunteers who helped position a large pan under the loading platform that was then attached to the bridge. Students would add small concrete weights to the pan until the bridge shattered.

Volunteers verify the bridges meet the competition criteria.
Volunteers verify the bridges meet the competition criteria. (Image by Patrick Parker, courtesy of ASCE Nashville Branch)

Now, with the VSMT, students can see when the bridge fails without necessarily destroying the bridge by gradually loading the bridge using the loading wheel at the bottom of the tester. The LabQuest 2 interface and Logger Pro software allowed for calculating the efficiency quickly and accurately, as opposed to manually counting and totaling the concrete weights. The students seem to really enjoy being able to watch the results in real time on the screens projecting the Logger Pro output; comparing when and at what load each others’ bridge broke.

Student applies the load to his bridge.
Student applies the load to his bridge. (Image by Patrick Parker, courtesy of ASCE Nashville Branch)

Thanks to Vernier for their support of the Nashville Branch’s bridge competition!

This year’s winners were:

  • 1st place to Nancy Hoang, Overton High School, Nashville, TN
  • 2nd place to Bryan Galvan, Overton High School, Nashville, TN
  • 3rd place to Kalei Hair and Maria Aguire, Portland High School, Portland, TN
The winners (and friends) of the 2018 Music City Bridge Competition
The winners (and friends) of the 2018 Music City Bridge Competition! (Image by Patrick Parker, courtesy of ASCE Nashville Branch)

Congratulations, 2018 VESELS Winners!

This is the second year the National Science Education Leadership Association (NSELA) and Vernier Software & Technology have co-sponsored the Vernier Emerging Science Education Leader Scholarship (VESELS). This partnership grants a $500 scholarship to six emerging science leaders to attend the annual NSELA Summer Leadership Institute (SLI). This year, the SLI was held in Philadelphia in July.

The scholarship program was specifically designed to recognize emerging leaders at the school, district, state or informal level who have been in their role for three years or less. Applicants submitted a resume or vita, a support letter from a supervisor, and a personal letter illustrating evidence of their own emerging leadership.

In addition to the scholarship, awardees get the opportunity to work with an NSELA mentor to help them apply what they learned during the institute to their classroom.

This year’s winners are:

  • Alyssa Mocharnuk, Science Department Head at Foxborough Public Schools in Foxborough, MA
  • Amy Hochschild, 6th Grade Science Teacher at Berkshire Local Schools in Burton, OH
  • Brianna Greco, Science & ESL Teacher at Omaha Public Schools in Omaha, NE
  • Jennifer Gibson, 5th Grade Science Teacher at Midway Independent School District in Waco, TX
  • Katrina Reno, Instruction Coach at Moss Point School District in Moss Point, MS
  • Dylann Pinkman, Middle School Science Liaison and Teacher at Lincoln Public Schools in Lincoln, NE

Congratulations, everyone!

Top 10 Lab Experiments for This School Year

By Gary Myers, Director of District Outreach

When it comes to bringing data collection to the classroom, knowing where to start can be tricky. The team at Vernier Software & Technology compiled a list of our favorite experiments from our lab books—from elementary school science to college-level experiments—to point you in the right direction.

  1. Conductivity of Solutions: The Effect of Concentration
    Grade Level: High school and college students

    In this experiment, students study the effect of increasing the concentration of an ionic compound on conductivity. During the experiment, students use a Conductivity Probe or Go Direct® Conductivity Probe to measure the conductivity of solutions, investigate the relationship between the conductivity and concentration of a solution, and investigate the conductivity of solutions resulting from compounds that dissociate to produce different numbers of ions. A video demonstrating how to conduct this experiment is available here.

  2. Acid-Base Titration
    Grade Level: High school and college students

    In this experiment, students titrate a hydrochloric acid solution with a sodium hydroxide solution using a Go Direct® Drop Counter in the process. They then use a pH sensor to monitor changes in pH as the sodium hydroxide solution is added to a hydrochloric acid solution and plot a graph of pH vs. volume. Students then use the graph to determine the equivalence point of the titration and use these results to calculate the concentration of the hydrochloric acid solution. A short video demonstrating how to conduct an acid base titration using Vernier technology is available here.

  3. Momentum, Energy and Collisions
    Grade Level: High school and college students

    Using the Dynamics Cart and Track System with Motion Encoder or Dynamics Cart and Track System with Go Direct® Sensor Cart, students observe collisions between two carts and test for the conservation of momentum. They also measure energy changes during different types of collisions and classify collisions as elastic, inelastic, or completely inelastic. Advanced versions of these experiments can be found in Advanced Physics with Vernier — Mechanics (experiment #1, #10 and #11). This video demonstrates how to use for physics investigations.

  4. Centripetal Accelerations on a Turntable
    Grade Level: High school and college students

    Using either a Low-g Accelerometer or Go Direct® Acceleration Sensor, students measure the centripetal acceleration on a record turntable. They also determine the relationship between centripetal acceleration, radius, and angular velocity, as well as determine the direction of centripetal acceleration.

    This is experiment #20 in Physics with Vernier, but if you are looking for an added component, check this out. A Pennsylvania educator used a 25-g Accelerometer and a K’NEX® rollercoaster to test crash dummies!

  5. Monitoring EKG
    Grade Level: High school and college students

    Using a EKG Sensor or Go Direct® EKG Sensor, this experiment enables students to graph their heart’s electrical activity, determine the time interval between EKG events, and calculate heart rate based on their EKG recording.

    This is experiment #28 in Biology with Vernier. Educators looking for other opportunities to use the Go Direct® EKG Sensor can refer to experiments #12, #13, and #15 in Human Physiology with Vernier. Watch how to use Go Direct® EKG Sensor to monitor both EKG and EMG.

  6. Get a Grip!
    Grade Level: Elementary school students

    Using a Gas Pressure Sensor, elementary students measure their grip strength, including which hand has the greater grip strength, as well as learning what happens to their grip strength as time passes. This video demonstrates how to test grip strength with a Go Direct® Gas Pressure Sensor.

  7. Exploring Wind Turbines
    Grade Level: High school students

    Students build their own functioning wind turbine with Vernier Energy Sensor and a KidWind by Vernier experiment kit. During the experiment, students explore how wind turbines turn, predict variables that affect how fast a wind turbine turns, and investigate the effect of fan speed on the power output of a wind turbine. This video provides an overview of the activity using a Go Direct® Energy Sensor.

  8. Enzyme Action: Testing Catalase Activity
    Grade Level: High school and college students

    Using a O2 Gas Sensor or Go Direct® O2 Gas Sensor , students measure the production of oxygen gas as hydrogen peroxide is destroyed by the enzyme catalase or peroxidase at various enzyme concentrations, temperatures, and pH values. Similar experiments are also featured in the Advanced Biology with Vernier and Investigating Biology through Inquiry lab books.

  9. Mapping a Magnetic Field
    Grade Level: Middle school students

    Using a Magnetic Field Sensor or Go Direct® 3-Axis Magnetic Field Sensor, students measure and graph magnetic field strength at points along a bar magnet and analyze the data to make conclusions about the magnetic field at various points on a bar magnet.

    A version of this experiment for elementary students can be found in Earth Science with Vernier (experiment #36) while a more advanced version of this experiment can be found in Physical Science with Vernier (experiment #27). Watch a video demonstration of how to use Go Direct® 3-Axis Magnetic Field Sensor here.

  10. Graphing Your Motion
    Grade Level: High school and K–8 students

    Using a Go Direct® Motion Detector or Motion Detector, students study their own motion, as well as measure position, velocity, and acceleration. Students then produce graphs of their motion and analyze and interpret the graphs. A video demonstrating how to use the Go Direct® Motion Detector is available here.

While these are some of our favorite experiments from our lab books, we love hearing about new, innovative lessons and projects using Vernier technology. If you are planning something cool for this school year, let us know at innovativeuses@vernier.com

Graphical Analysis 4 is Ready for Physics—and Chemistry and Biology

Cart on ramp graphs with Go Direct Sensor Cart

Graphical Analysis 4 app keeps getting better. New in the last several releases is support for photogates, which means you can now use your Vernier photogates with a Chromebook. The much-requested photogate feature is part of a project to give physics instructors more tools in our free Graphical Analysis app, including support for the Motion Encoder Cart, Rotary Motion Sensors (Go Direct® Rotary Motion Sensor and Rotary Motion Sensor versions), the Projectile Launcher, and the novel new Go Direct® Sound Sensor, which combines waveform and sound intensity measurements.

In addition, with new tablet versions now available, Graphical Analysis has the same core feature set and appearance on Windows®, macOS®, ChromeOS, Android, and iOS. You can have a mixed set of devices in a classroom, and everyone can do a full spectrum of experiments, regardless of device. Procedures learned on one platform work everywhere. Files saved on one device can be opened on another, even if it is a different platform. Because device screen sizes vary widely, there is now an option to increase the size of text and other labels so that graphs are more readable on large screens.

Support for Graphical Analysis for physics is included in the 4th edition of Physics with Vernier, which has versions of activities written for students using Graphical Analysis on any platform. Experiments written for Graphical Analysis are also included with the 4th editions of Chemistry with Vernier and Biology with Vernier.

Our largest software development team is working on Graphical Analysis 4. New versions are released every few months, so keep looking for new features and tools. We have great plans for the rest of the school year to keep instructors and students in all disciplines engaged in doing science. This most recent push emphasized features of particular use to physics students. Prior releases have focused on chemistry and biology. If you have not tried Graphical Analysis recently, we think you’ll find that it has grown to be a useful tool for the most common experiments in these fields and more.

Graphical Analysis 4 works with our Go Direct sensors on all platforms and with most of our wired LabQuest sensors. As a result, making the jump from computer to Chromebook has become much easier. Best of all, Graphical Analysis 4 is free.

Why Teach Coding in the Classroom?

You don’t have to spend much time on education websites, blogs, or social media before you run into the term coding. Why is coding, or computer programming, getting so much attention right now? Coding engages students in new ways, providing practical applications for math and science skills.

The act of coding—an iterative process of building, testing, and refining a program—parallels the scientific method in many respects. Students must construct detailed models, plan carefully, anticipate sources of error, analyze data, and document their work. Additionally, many programming projects require the application of specific science knowledge, such as understanding the motion of a uniformly accelerating object, in order to successfully accomplish a task.

Vernier offers a number of resources to support coding in the classroom:

Programmable robots, such as mBot and Ranger from Makeblock®, are a great, hands-on way to introduce coding to students because robots take abstract code from the screen and translate it into actions in the real world. The newest member of the Makeblock family of robots is Codey Rocky, perfect for elementary- and middle-school students who are new to coding. Codey Rocky is actually two electronic modules: Codey, a detachable controller that includes 10 sensors and an LED matrix, and Rocky, a mobile base that can carry Codey across the classroom. Codey Rocky does not require any construction and can be programmed through a free app on computers, tablets, or smartphones.

If you’ve been tasked with leading an after-school robotics club, are thinking about incorporating some coding into your science class, or even been asked to teach computer science, see what Vernier has to offer.

Our CEO Celebrates His 25th Anniversary at Vernier

John Wheeler, our CEO, first worked for Vernier as a consultant. For his first project he designed a photogate timing device, for which we paid him with one Macintosh computer. In 1993, he became a full-time employee, when we had fewer than 10 employees. John handled our parts purchasing, but he also continued to design products. Over the years, John has designed the Serial Box Interface, the LabPro interface, LabQuest, LabQuest 2, and most of our sensors. In 2015, he took on the overall leadership role at Vernier.

“It has been a fantastic experience growing up with this remarkable company,” John explains. “The world was certainly different when I started with Vernier—there was no such thing as social media or reality television. The internet was largely navigated using dial-up modems, cryptic command-line instructions, and specific utility apps. It was a super small company back then, and I was the purchasing, receiving, and engineering department in those days.”

“While we have grown significantly since then, the amazing thing is that we have been able to grow and keep our company culture. David and Christine Vernier started something really special and have nurtured it for 37 years to get to where we are now. We have kept our company values, and we continue to serve educators and impact student learning. I couldn’t be more proud to be part of the work we do here and to work alongside such wonderful people. I am lucky to have been a part of this amazing journey for so long, and I look forward to the coming great things that we will accomplish.”

Learn more about our company story and culture »

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