| A | B |
| metric system | International System of Units |
| meter | unit used to measure length |
| milli | one-thousandth |
| centi | one-hundredth |
| kilo | one thousand |
| micro | one millionth |
| nano | one billionth |
| 0 degrees Celsius | freezing point of water |
| 100 degrees Celsius | boiling point of water |
| light year | distance light travels in one year |
| liter | basic unit of volume |
| volume | amount of space an object takes up |
| mass | amount of matter in an object |
| gram | unit to measure mass |
| weight | attraction due to gravity |
| newton | unit of weight |
| density | relationship of mass and volume |
| Celsius | measures temperature |
| dimensional analysis | how to go from one unit to another |
| metric ruler | measures length |
| balance scale | mearures mass |
| cubic centimeter | one milliliter |
| graduated cylinder | measures volume |
| conversion factor | fraction that equals 1 |