Chemical & Physical Change
Test Your Knowledge
- Chemical Reactions
Find examples of chemical reactions in your body, on a piece of metal, and flying through the sky.
Find examples of dissolving in your body, in a cave, and underwater.
Explore how a special class of chemicals can be turned into many useful things.
- Science of Soda Pop
Learn the process by which soda-pop is made.
- Soap and Detergent
Learn what soap is and how it gets things clean.