| A | B |
|---|
| mass | measure of the amount of matter in an object |
| atom | the smallest building block of matter |
| element | matter made up of only one kind of atom |
| heat | energy form produced by the movement of molecules in a substance |
| International System of Units | Standard system of measurement used by scientists |
| matter | anything that has volume and mass |
| molecule | smallest particle of matter that consists of more than one atom |
| physical change | a change in matter that does not form a new chemical |
| properties | characteristics used to identify a substance |
| volume | amount of space an object takes up |
| weight | measure of the force of gravity pulling on an object |
| temperature | meause of the average kinetic energy of the molecules in a substance or an object |
| suspension | mixture in which solid particle can seperate slowly from a gas or a liquid |
| solution | mixture that looks the same throughout |
| compound | two or more elements chemically combined and can only be seperated by a chemical change |
| colloid | mixture in which very small particles do not separate but remain suspended |
| gas | steam |
| liquid | water |
| solid | ice |
