| A | B |
| Matter | Anything that has mass and taked up space |
| Mass | The measure of the amount of matter in an object |
| Weight | The measure of the downward pull of the force of gravity on an object. |
| Volume | The amount of space an object takes up |
| Atom | The smallest building block of matter |
| Molecule | Groups of atoms held together by bonds |
| Mixture | A combination of 2 or more substances |
| Homogeneous Mixture | A mixture that is the same throughout |
| Heterogeneous Mixture | A mixture in which you can see the different substances and easily separate them from one another. |
| Substance | Matter that is an element or a compound |
| Element | Atoms of the same type, they cannot be broken down into a simpler form. |
| Compound | A substance made up of 2 or more different types of atoms bonded together. |
| Solution | A homogeneous mixture made up of one substance dissolved in another substance that stays mixed |
| Solvent | The substance that does the dissolving |
| Solute | The substance being dissolved. |