4 WHAT IS CHEMISTRY Chemistry is a kind of science that deals with the tiny particles that make up substances Everything on Earth is made of molecules How these molecules behave determines whether something is a solid like an ice cube a liquid like water or a gas like steam When molecules change their behavior substances can also change For example ice can melt to become liquid water Molecules can react with one another to create new substances too such as when you mix baking soda and vinegar and make lots and lots of foamy bubbles There are many fun ways to explore chemistry What will you discover
6 BEFORE YOU GET STARTED Ask an adult for permission before doing any projects Some projects require knives a stove or substances such as bleach or borax and may require help from an adult You can find most of these materials around your home or school Other materials will be easy to find at a grocery store or pet store
7 While doing these projects make sure you have a workspace that can get wet or dirty and always wear safety goggles when the instructions include them
