| Term | Definition |
| viscosity | a liquid's resistance to flow |
| surface tension | tendency of a liquid to form a skin at the surface |
| cohesion | attraction between particles of the same substance |
| adhesion | attraction between particles of different substances |
| malleable | able to be hammered into very thin sheets |
| elasticity | ability of solids to return to original shape |
| brittleness | solids which are likely to break |
| hardness | solids ability to resist being scratched |
| tensile strength | how well an object resists breaking under tension |
| melting point | temperature at which a solid becomes a liquid |
| boiling point | temperature at which a liquid becomes a gas, boils at sea level |
| freezing point | temperature at which a liquid freezes |
| condensation point | temperature at which a gas turns to a liquid |
| solubility | the ability to dissolve in another substance |
| color | color |
| size/shape | mass/volume |
| electrical conductivity | transfers electrical energy |
| thermal conductivity | transfers heat energy |
| density | density |