Acids and Bases
- Lose the Indicator Blues
Use a cabbage detector to learn how acids (like vinegar) and bases (like soap) change the color of water.
- Lose the Blues with CO2
Carbon dioxide is one of life’s most essential gases. Test how much carbon dioxide is in the atmosphere using an acid indicator.
- Sour Power
What makes lemons, soda, and other foods so sour? In this activity, you will learn about the acid that makes us pucker while testing the amount of sour in your soda pop.
- Secret Goldenrod Messages
Uncover a secret message using chemicals.
- Universal Indicator Rainbow
Color can help us identify the type of chemicals in an object. See if you can identify the chemicals in a paper fish.