| A | B |
| dissolve | the interaction of a substance with a liquid to form a clear solution |
| interaction | objects acting on or influencing each other |
| system | a group of objects that interact |
| mixture | a portion of matter made of two or more parts that keep their own characteristics |
| suspension | a liquid system, colored or colorless, is cloudy or milky and cannot be seen through |
| solution | a clear liquid system, colored or colorless, is a mixture of two or more materials |
| evidence of interaction | observable effect of the action of objects on each other |
| energy | the ability to do work |
| transfer of energy | the movement of energy from one part of a system to another or from one system to another |
| evaporation | to take away liquid as gas, leaving solid parts, if any |