| A | B |
|---|
| physical change | a change in the size, shape, or state of matter |
| physical property | a property that can be identified without causeing a chemical change in matter |
| chemical change | a change in which one or more different kinds of matter are formed |
| chemical property | a property that determines how an element or compound reacts with other elements or compounds |
| density | the mass of a certain volume of a substance |
| specific gravity | a comparisin made between the density of a substance and the density of water |
| chemical reaction | a chemical change |
| law of conservation of energy | the law that states that matter is neither created nor distroyed during a chemical reaction |
| law of conservation of matter | the law that states that energy is neither created nor distroyed during a chemical reaction |
