| A | B |
|---|
| physical property | Any characteristic of a material that can be observed or measured without changing the identity the material. |
| matter | anything that has mass and takes up space. |
| physical change | change in which the properties of a substance change but the identity of the substance always remains the same |
| density | the amount of mass a material has in a given volume |
| states of matter | physical property that is dependent on both temperature and pressure and occurs in four forms-solid, liquid, gas, or plasma. |
| melting point | temperature at which a soild becomes a liquid |
| boiling point | temperature at which a substance in the liquid state becomes a gas |
| chemical property | any characteristic, such as the ability to burn, that allows a substance to undergo a change that results in a new substance. |
| chemical change | a change in the identity of a substance due to the chemical properties of that substance. |
| law of conservation of mass | states that the mass of the products of a chemcial change is always the same as the mass of what you stated with |
