| A | B |
| matter | anything that takes up space and has mass |
| property | something about matter that you can observe with one or more of your senses |
| pressure | pushing applied to an object |
| element | matter of a single type of particle too small to see |
| atom | the smallest particle of an element that has the properties of that element |
| periodic table | arrangement of the elements based on their properties |
| mass | the amonut of matter an object has |
| volume | the amount of space that the object takes up |
| density | a measure of the amount of matter in a certain amount of space |
| bouyancy | how well an object floats in liquid or gas |