| A | B |
| density | mass per unit volume |
| object is less dense | float |
| object is more dense | sink |
| concentration | ratio of solute and solvent |
| dilute | solution that contains little solute |
| saturation | when no more solid can be dissolved in the solvent |
| equal volume | comparing equivalent amounts of two solutions to determine which is more concentrated |
| soluble | capable of being dissolved |
| insoluble | not capable of being dissolved |
| solubility | the ability for a substance to dissolve |
| substance | pure material that is not a mixture |
| 1 milliliter of water | 1 gram of water |