| A | B |
| Element | Made out of one type of atom only |
| Mixture | Compounds or atoms not chemically joined |
| Compounds | two or more different types atoms joined together |
| Molecules | Two or more atoms joined together |
| Salty water | Can be separated by evaporation |
| Sand and water | Can be separated by filtration |
| Filtrate | Passes through the filter paper in filtration |
| Residue | Is left behind in the filter paper |