| A | B |
| dissolving something | physical change |
| physical change | salt dissolving into water |
| solution | homogeneous mixture at the molecular level |
| suspension | temporary solution - the solute will eventually fall out |
| salt water or saline | solution |
| alloy | solution of two of more metals |
| dissolves | when a substance is mixed into a solution it does this |
| density | measurement of the "compactness" of a substance |
| ratio of mass to volume | density |
| brittleness | measures how easily a solid wall with shatter |
| hardness | smeasures how easily a solid can be scratched |
| elasticity | measures a solid's ability to return to its original shape after stretching |
| malleability | how easily a solid can be pounded into thin sheets |
| tensile strength | measures how hard it is to break something by pulling |
| viscosity | measures a fluid's resistance to flow (how thick it is) |
| buoyancy | upward force of a liquid or gas pushing upon somehting immersed in it |
| g/ml | unit of density |
| fluid | any material that flows - either a gas or a liquid |