Does a generic sunscreen absorb UV light as well as a name-brand sunscreen? Does expired sunscreen still work? These are two questions that Douglas Harris, PhD, asks his students at Utah State University to answer by completing the “Absorption...

The chemistry research group at BASIS Flagstaff Charter School in Flagstaff, Arizona, meets weekly to develop scientific research projects and to learn about different instrumentation and chemical techniques. During the year-long extracurricular gro...

Note: A version of this story was originally posted on the Vernier website in March 2020. Does a generic sunscreen absorb UV light as well as a name-brand sunscreen? Does expired sunscreen still work? These are two questions that Douglas Harri...

Dr. Estelle Lebeau is a professor of chemistry at Johnson & Wales University in Providence, Rhode Island. In 2020, she won a Vernier/NSTA Technology Award, which included $3,000 in Vernier technology. We recently sat down with Lebeau to discuss ...

Vertical jump tests are often used by physical trainers to assess leg strength. Simple alterations in the way a vertical jump is performed can alter the amount of force that is produced during the jump, affecting the results. A common testing techniq...

Understanding enzyme action is a fundamental concept in biology. The “Testing Catalase Activity” investigation in our Investigating Biology through Inquiry book is a very popular activity for investigating enzyme action. Our O2&nb...

From supporting aquatic life to maintaining a balanced ecosystem, dissolved oxygen (DO) is a critical component of a healthy aquatic environment—whether it is an ocean, river, pond, or local watershed. To help students understand exactly what DO i...

There are many ways to measure motion in your physics classes, from the classic meter stick and stopwatch method to photogates and sensor carts. But the Go Direct® Motion Detector is one of the most versatile, engaging tools you can leverage in you...

When it comes to innovation, CASE educator Jamie Christiansen and her agricultural science students are bringing home the bacon—and the data—to help local pork farmers thrive. Christiansen, who teaches in the Midland Community School District ...

Electrochemistry, from redox reactions to galvanic cells, is one of the most challenging topics for high school and first-year college chemistry students. However, one way to make it more accessible is to show students that the constants and referen...