| A | B |
| Density | how many and how closely packed the molecules are in a given volume |
| Mass | the amount of matter in an object |
| Volume | the amount of space something takes up |
| Meter | the unit for measuring length |
| Gram | the unit for measuring mass |
| Liter | the unit for measuring the volume of a liquid |
| cm3 | the unit for measuring the volume of a regular solid |
| triple beam balance | a scale used for measuring the mass of an object |
| graduated cylinder | a device used to measure the volume of a liquid |
| meter stick | the tool used to measure the length of an object |
| length x width x height | the calculation used to measure the volume of a regular solid |