Term 4 Revision Crossword

2. The type of output energy that is not useful to us.
4. What dark surfaces do when they receive radiation.
7. The direction of Earth's rotation.
11. The way heat energy is transferred in or between solids.
12. The movement of Earth around the Sun.
13. An angle that is greater or less than 90 degrees.
14. A type of heat transfer that does not require physical contact or the movement of particles.
15. Energy sources that will be used up eventually
16. What light or shiny surfaces do when they receive radiation.
17. Energy resulting from a change of position or a change of state.

1. A type of energy system that involves the transfer of heat energy.temperature This is measured in degrees Celsius.
3. The type of potential energy stored in an object held above Earth's surface.
4. The imaginary line that runs through the centre of the Earth.
5. A material that prevents or slows down heat transfer.
6. A non-renewable source of energy that is not burned
8. A kind of current formed by the transfer of heat in a gas or a liquid.
9. The standard unit of measurement for energy.
10. Different parts working together.
11. The type of potential energy stored in food and fuels.