| A | B |
|---|
| Gas | can change shape and volume |
| Liquid | different shape, but same volume in any container |
| Heat | thermal energy moving from one substance to another |
| Temperature | measure of the average kinetic energy of the particles of a substance |
| Condensation Process | when a substance changes from a gas to a liquid |
| Vaporization | when a liquid becomes a gas |
| Solid | has specific shape and specific volume |
| Viscosity | a measure of how a liquid flows |
| Melting Point | the tempurature at which a solid that ice changes to liquid water |
| Surface Tension | attractive forces between molecules enables objects to float on water |
| Freezing | when a liquid changes to a solid |
| Matter | anything that has mass and takes up space |
| Sublimation | when a solid (like dry ice) becomes a gas (looks like smoke) |
| Law of Conservation of Matter | matter cannot be created or destroyed by chemical change |
| Crystalline Solid | particles are arranged in a repeating geometric pattern |
| A cork is able to float on water because | it is less dense than water |
| Sugar | example is a crystalline solid |
| What happens when kinetic energy increases? | particles move faster |
| When do particles release thermal energy? | when objects freeze |
| How does water vapor in the air form clouds? | condinsation |
