| A | B |
| theory | is a hypothesis which is supported again and again over time. |
| diffusion | gradual mixing of a substance caused by the random movement of particles |
| matter | anything that has a mass and occupies space |
| sublimation | change of state from a solid to a gas without passing through the liquid state and vice verci |
| gas | state of matter that has no definite shape or volume. ex. steam |
| liquid | a state of matter that has no definite shape but a definite volume |
| soluble | is able to dissolve in a particular solvent |
| solute | the substance that gets dissolved, the one present in the lesser quantity |
| solvent | is a substance that does the dissolving, or the one present in the greater quantity |
| compound | a pure substance made up of two or more elements combined in a definite proportion |