| A | B |
|---|
| Atom | Smallest unit of matter. |
| Molecule | Smallest unit of the substance that acts like the substance. |
| Heterogeneuos | A mixture that appears different throughout. |
| Matter | Anything that has mass and takes up space. |
| Volume | The amount of space a substance takes up. |
| Oxygen | A gaseous element needed for life. |
| Substance | Matter that has a fixed composition is called a pure _____. |
| Mixture | A combination of substances that are not chemically combined. |
| Water | This compound has two hydrogen atoms and one oxygen atom. |
| Mass | The "weight" of a substance. |
| Immiscible | Unable to be mixed. |
| Compound | A substance made up of atoms of different elements. |
| Homogeneous | A mixture that appears the same throughout. |
| Element | A substance that cannot be broken down by chemical means. |
| Miscible | Able to be mixed. |
