| A | B |
|---|
| physical change | changes form of substance but doesn?t change it into a new substance |
| chemical change | changes a substance into a new substance |
| thermal energy | energy from the movement of particles in matter |
| solid | state of matter that has a definite shape and volume |
| law of conservation of matter | the scientific law that says total amount of mass during any change always stays the same |
| melting | solid to liquid |
| freezing | liquid to solid |
| vaporization | liquid to gas |
| condensation | gas to liquid |
| sublimation | solid to gas |
| the change in state that is not possible | gas to solid |
| liquid | state of matter that has a definite volume but no definite shape |
| gas | state of matter that has no definite shape or volume |
