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Journal Article |
Grading in mass enrollment, introductory labs can easily consume a large amount of the instructor's time. This article features the "streamlined" contract grading scheme which has many potential advantages, including a…
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Journal Article |
The development of students’ science reasoning abilities is a goal of science education. Researchers measure science reasoning using a variety of instruments, each with limitations and restrictions. In this study,…
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Desperate Times Call for Desperate Measures
Case Study |
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Dissolving the Barriers to Measuring Dissolved Oxygen
Blog Post |
The amount of dissolved oxygen (DO) in water is a critical component in the aquatic ecosystem. While measuring the level of DO is a common practice in water quality studies, the sensors often used to capture the data…
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Science of the Summer Olympics: measuring a champion
Blog Post |
As Official Time-Keeper of the 2012 Olympic Games, Omega’s high-tech timing devices have come a long way since the 1932 games in L.A. where athletes were timed to the nearest one-tenth of a second. The company brought…
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Corn ears—examine and measure
Blog Post |
Photo by Keith Weller “Why is corn used as a decoration in the fall in the United States?” asked a student’s grandmother. She is originally from Estonia where she said seasonal decorative include straw weavings,…
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The Pasco Wireless Light Sensor: See the Light. And Measure it too.
Blog Post |
Within an understated white plastic box is found a dynamic and versatile sensor that effectively measures many forms of light, and gives the science class a peek into how we learn about the universe we live in. Yes,…
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Focus on Physics: When Our Round Earth Was First Measured
Blog Post |
Building an Understanding of Physical Principles Our Earth is round, although it was not always thought to be that way. It looks flat. But if the Earth is viewed from a tall building, especially near the ocean when the…
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Measuring Murphy’s Law with the Vernier Go Direct Acceleration Sensor
Blog Post |
On the 4th of July this year, a fitting date, America lost a true hero whom many people had never heard of, namely Robert Gilliland. Bob Gilliland was the chief test pilot and first person to fly the iconic SR-…
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Wild Spirits: Measuring Life and Death with the Pasco Wireless CO2 sensor
Blog Post |
A student once asked me why if carbon dioxide is so much heavier than air, how come the lower atmosphere doesn’t become thick with CO2 and kill everything? “Umm, well…because it…umm…doesn’t?” The student then asked if I…
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