Multimeter is used to measure an electric current.

Dollar Store Single Function Signal Generator

In this activity, students use a solar-powered model, such as the dancing flowers often sold at discount variety stores. They carefully disassemble the plastic housing and attach a sensor to the capacitor, then use probe ware to graph the voltage across the capacitor.

Colorful liquids

Acid-Base Indicators

This introduction to acid-base indicators includes a helpful table of Carolina’s indicator ranges, the pH values of common household acids and bases, plus a fun invisible ink demonstration that you and your students will enjoy.

two clear liquids are combined to form a yellow precipitate

Examples of Chemical Change

By exploring the basics of this topic, students will build an understanding of the molecules that make up the world around them. In this article, we will provide you with the basics on the topic, as well as examples of chemical change that you can share with your class. 

A balloon expands in a vacuum

Demonstrations with a Vacuum Pump

Every physics and physical science student will eventually encounter gas laws or equations of state. These are the familiar Charles’s […]


Do-It-Yourself Snowflakes

Snow delights most students and frustrates most teachers. Please everyone when you create snowflakes in the comfort of your classroom. […]

dry ice chemistry demo

Foaming Rainbow Demonstration

Dry ice is added to a basic solution of dish detergent and universal indicator. Commercially, dry ice is used as […]