S1 Energy

4. Colours of the visible spectrum
7. Measure of how hot or cold something is
9. Triangular version of this used to split white light into 7 main colours
10. Another word for movement energy
11. word that describes how heat moves through solids and liquids
13. Image laterally inverted during this process
14. Materials used in homes to help trap air and therefore reduce conduction

1. Heat rising due to air expanding and moves across room then cools and contracts
2. Energy cannot be created or
3. word that described how well appliances or machines turn energy into useful energy
4. Infra red
5. Name given to describe light speed decreasing and direction changes as it moves through glass
6. Energy used to make your toaster work
8. a measure of energy something contains
12. air is a very good example of this
15. Type of energy we can hear
16. Line drawn on a ray diagram at 90 degrees to the surface