| A | B |
| Scientific Method | a process that scientist use to answer questions |
| Variable | something that changes or varies |
| Hypothesis | an educated guess |
| Experiment | a scientific test |
| Physical Change | a change that begins and ends with the same type of matter |
| Change of State | a physical change of matter from one state to another state. |
| Chemical Change | a change that produces new matter with different properties from the original matter. |
| Evaporation | the change of a liquid to a gas. |
| Chemical Reaction | a response that gives off or uses energy. |