ENERGY

1. The scientific unit used to measure energy.
3. When something is stretched it has this type of potential energy.
8. This type of potential energy is found when something is held above the ground.
11. There are a ___________ Joules in one kilojoule.
12. Fuels store this type of energy.
13. A candle is made up of this fuel.
14. This is the type of energy given off by a musical instrument.
15. Sometimes this happens to energy and it cannot be used. It is __________.
16. The energy in something that is moving.
18. The most important energy given off by a television.

2. This is the energy that we want and use.
4. Another word for heat energy.
5. Oil and natural gas are two types of this fossil fuel.
6. Another word for 'stored' energy.
7. This type of chemical energy is used by human beings to be able to do things.
9. The opposite of non-renewable.
10. These foods are high in energy.
11. Energy ___________diagrams show how energy is changed by certain objects.
17. This is a fossil fuel made from prehistoric plants