| A | B |
| matter | anything that takes up space |
| physical property | anything that you can observe about an object by using one or moreof your senses |
| mass | the amount of matter in an object |
| volume | the amount of space that matter takes up |
| density | the mass of matter compared to its volume |
| solid | a form of matter that has a volume and a shape that both stay the same |
| liquid | a form of matter that has a volume that stays the same but a shape that can change |
| gas | a form of matter that has no definite shape or volume |
| evaporation | the process by which liquid water changes into water vapor |
| solution | a mixture in which the different kinds of matter mix evenly |
| mixture | a substance that has two or more different kinds of matter |
| condensation | the process by which water vapor turns into liquid water |