| A | B |
| solution | a mixture in which the particles of different kinds of matter are mixed evenly with one another |
| solubility | the measure of the amount of a material that will dissolve in another material |
| dissolve | when one material forms a solution with another material |
| chemical change | a type of change that forms a new substance any may release energy |
| chemical reaction | another name for chemical change |
| physical change | any change in the size, shape, or state of a substance |
| buoyancy | the ability of matter to float in a liquid or gas |
| coal | what you will get for Christmas if you do poorly on this test! |