| A | B |
|---|
| mass | the amount of matter in an object |
| matter | scientific term for "stuff" |
| weight | the force of gravity on an object's mass |
| volume | how much space an object takes up |
| density | how tightly atoms are packed together |
| liter | used when measuring the volume of a liquid |
| graduated cylinder | instrument used to measure the volume of liquids |
| meter | basic unit of length |
| milli | one thousandth |
| centi | one hundredth |
| kilo | one thousand |
