A | B |
matter | anything that has mass and takes up space |
mass | amount of matter in a substance (thing) |
volume | how much space a substance takes up |
density | mass / volume = |
solid | It has a definite shape and volume. |
element | a pure, basic substance that is made up of only one type of atom. It can't be broken down any further. |
liquid | It has a definite volume, but takes the shape of its container. |
gas | It has no definite shape or volume. It takes the shape and volume of its container. |
physical change | a change from one form to another without changing into something different or new. |
pure substance | It has just one element or one compound with nothing mixed in. (gold, distilled water ..) |
mixture | 2 or more than 2 things mix together (salt water..) |
chemical change | a change that makes a new substance |