| A | B |
|---|
| substance | anything that contains one type of material |
| element | a substance that cannot be broken down into simpler substances |
| length | distance between two points |
| mass | the amount of matter in an object |
| chemical change | a change during which one of the substances in a material changes into a different substance |
| SI Units | the standard measuring system |
| mixture | a material made of two or more substances in which the identity is not changed |
| compound | a substance whose smallest unit is made up of one or more element |
| volume | the amount of space an object occupies |
| density | the mass of an object compared to its volume |
| chemical property | any characteristic that gives a substance the ability to undergo a chemical change |
| physical change | the physical properties of a substance changes but the kind of substance does not change |
| heterogeneous mixture | an mixture that is distributed unevenly |
| homogeneous mixture | a mixture that is distributed evenly |
| physical property | a characteristic that can be observed or measured |
