| A | B |
| mass | amount of matter that makes up that object |
| volume | amount of space that something takes up |
| weight | a measure of pull of gravity on an object |
| density | measure of the amount of matter in a given space |
| physical properties | are properties of that can be seen or measured without changing the substance into something else |
| chemical properties | tell how the substance forms new substances when it reacts with something else |
| States of Matter | solids, liquids, gases, plasma |
| Solid | has definite shape and volume |
| liquid | has a definite volume but no definitte shape |
| gas | has no particular shape or volume |
| plasma | has no shape or volume and have electric charges |
| condensation | change of state from a gass to a liquid |
| physical change | the apperance of the substance changes but its properties stay the same |
| chemical change | one or more substances change into completely new substances with different properties |