| Term | Definition |
| element | a substance that is made up of only one type of matter |
| atom | the smallest particle of an element |
| mixture | two or more types of matter that are mixed together but keep their own properties |
| filter | a tool used to separate things by size |
| evaporation | the process in which water particles change from a liquid to a gas |
| 5compound | a substance made when two or more elemetns are joined together and lose their own properties |
| physical change | a change that begins and ends with the same type of matter |
| chemical change | a change that produces new matter with different properties from the original matter |