| A | B |
|---|
| Physical Properties | those characteristics that help distinguish it from other materials |
| Plastics | a group of materials manufactured primarily from petroleum |
| Density | a measure of how much mass is contained in a given unit of volume |
| mass | the amount of stuff in an object |
| volume | how much space an object occupies |
| grams | the unit used to measure mass |
| cm3 | the unit used for volume when using a solid |
| mL | the unit used to measure volume of a liquid |
| g/cm3 | unit used for density of a solid |
| g/mL | unit used for density of a liquid |
| physical change | a change in size, shape or state without forming a new substance |
| chemical change | a change in matter in which one or more porperties change, forming something new |
