| Flap 1 | Flap 2 |
| boiling point | temperature at which a substance changes from a liquid to a gas |
| chemical change | change in matter that results in new substances being formed |
| chemical property | ability of a material to change its chemical make-up |
| density | mass per unit or volume of a substance |
| melting point | temperature at which a substance changes from a solid to a liquid |
| physical change | change in size, shape, or state or matter with new matter formed |
| physical property | characteristic that can be measured or detected by the senses |
| solubility | the measure of how much one substance can dissolve in another |
| conductivity | a material that has the ability to carry energy |
