| A | B |
|---|
| temperature | measures how fast particles are moving. |
| energy | ability to do work |
| solid | state of matter with definite shape and volume |
| liquid | state of matter with definte volume but takes shape of container |
| gas | state of matter with no definite shape and no definite volume |
| heat | transfer of thermal energy between things of different temperatures |
| vibrate | motion of particles in solids |
| thermal energy | energy of moving atoms |
| physical change | change that does not result in new substances |
| increase | make larger |
| decrease | make smaller |
| melting point | temperature a solid changes to a liquid |
| freezing point | temperature a liquid changes to a solid |
| boiling point | temperature a liquid changes to gas |
| condenses | turns from gas to liquid |
| sublimation | changes from gas to solid |
| mass | amount of matter in something |
| volume | amount of space something takes up |
| density | mass per unit volume |
| physical properties | characteristics of matter you can observe without changing the matter |
