| A | B |
| Atom | smallest particle of matter |
| Compound | made up of 2 or more elements |
| Element | made of 1 kind of atom |
| Molecule | still has properties of original matter |
| Periodic Table | table that shows all elements |
| Solution | mixed liquid with another substance |
| Mixture | mixture of things you can seperate |
| Physical Change | volume shape size is this change |
| Chemical Change | In which the substance changes completely |
| Chemical Reaction | the reaction to a chemical change |