| A | B |
|---|
| physical change | This change begins and ends with the same kind of matter |
| mixture | two types of matter that are mixed together but keep their own properties |
| element | made up of only one kind of atom |
| compound | a substance made when two or more elements join together and lose their own properties |
| chemical change | This change produces new matter with different properties from the original matter |
| atom | the smallest unit of an element that has the properties of that element |
| density | the amount of matter in a given space |
| length | the number of units that fit along one edge of an object |
| liter | a metric unit of volume |
| meter | a metric unit of distance or length |
| volume | the amount of space an object takes up |
| weight | the measure of the pull of gravity on an object |
| gas | does not have a definite shape/ does not take up a definite shape |
| liquid | takes up a definite space/ has no definite shape |
| solid | takes up a definite space/ has a definite shape |
| mass | the amount of matter that makes up an object |
| matter | anything that has mass and takes up space |
| property | a characteristic of matter that can be observed or measured |
