| A | B |
|---|
| Matter | Anything that takes up space |
| Chemistry | The study of matter |
| Element | A substance that cannot be changed to a simpler substance |
| Atom | The smallest unit of an element that can exist |
| Compound | Substances made of 2 or more elements that are combined in a chemical reaction |
| Density | When 2 substances have the same mass but 1 has less volume |
| Chemical Reaction | When 2 or more substances react to form a new substance |
| Mixture | Contains 2 or more different substances that are physically changed |
| Properties | Words used to describe an object |
