| A | B |
|---|
| What is a bimetallic strip? | A strip made of two metals |
| Where do we use bimetallic strips | On thermostats and fire alarms |
| When most substances are heated they... | expand |
| When most substances are cooled they... | contract |
| When water is cooled it... | contracts until 4 degrees C then it expands |
| Water has its greatest density at... | 4 degrees C |
| What happens to molecules in a substance that is heated | They move further apart |
| What is one scale on a thermometer called | Celsius |
| What elements are found in liquid form in a thermometer? | Mercury, alcohol |
| What is temperature? | A measure of how hot a body is. |
| What is heat? | A form of energy |
