| A | B |
|---|
| physical property | characteristic you can observe without changing |
| volume | amount of space something occupies |
| mass | how much matter something contains |
| melting point | when solid reaches point to become a liquid |
| solubility | ability to be dissolved |
| chemical property | cannot be observed without altering substances |
| cutting | physical change |
| toast in a toaster | chemical change |
| law of conservation of mass | matter isn't changed or created just particles are arranged |
| atom | basic building block |
| substance | matter with fixed makeup and properties |
| element | pure form |
| NaCl | compound |
| separate salt water | boil the water and salt remains |
| separate iron fillings from sand | use a magnet |
| heterogeneous mixture | substances are not evenly mixed |
| homogeneous mixture | substance are evenly mixed |
| solute | substance that disappears or gets dissolved |
| solvent | substance that dissolves the substance |
| precipitate | products left over after reaction |
