Chemistry for Kids - Chem4Kids.com

So you're asking, what is CHEMISTRY? Well... Here's our best definition. Chemistry is the study of MATTER and the changes that take place with that matter. Don't ask us why that matters. It just does. A lot. Everything on Earth, everything in our solar system, everything in our galaxy, and everything in the universe is made up of matter. Matter is the name scientists have given to everything that you can touch, or see, or feel, or smell. Go take a look! Reactions. Elements. Atoms. Matter. Biochemistry.