| A | B |
|---|
| energy | capacity to do work or transfer heat |
| matter | anything that has mass and volume |
| potential energy | stored energy |
| kinetic energy | energy of motion |
| joule | basic unit of energy in the International System of Units |
| solid | state in which matter holds a definate shape and volume |
| liquid | state in which matter does not hold a definate shape but occupies a definate volume |
| gas | state in which matter has no definate shape or volume |
| element | substance that cannot be seperated into simpler substances by a chemical change |
| compound | substance that contains two or more elements chemically combined in a fixed proportion |
