| A | B |
|---|
| Physics | the study of matter and forces |
| Mass | the amount of matter in an object |
| Weight | the gravitational force of the earth |
| Volume | the amount of space used by an object |
| Litre | a unit of measurement used for measuring volume |
| Kilogram | a unit of measurement used for measuring weight |
| Density | the amount of matter in a certain volume |
| Solid | a type of matter, eg wood and ice |
| Liquid | a type of matter, eg water, blood |
| Gas | a type of matter, eg hydrogen, oxygen |
