| A | B |
| conductor | A material that transfers heat well is a |
| heat | The movement of energy from warmer to cooler objects is called |
| conduction | The transfer of energy when one particle bumps into another is called |
| insulator | A material that does not transfer heat very well is a(n) |
| temperature | How hot or cold something is can be measured as its |
| thermometer | An instrument that measures temperature is a |
| temperature | Adding heat energy to a substance increases its |
| heat energy | When a substance burns it produces |
| friction | Heat energy is produced with |
| heat | When an electrical current flows through materials such as a light bulb or toaster it produces |