Across
- 4. energy is used for outlets and to plug
- 5. gas is the best use of heat energy and will probably run out of it in the next 50 years
- 7. fuels is oils from the earth and from millions of years ago.
- 8. has 300 years left of use till it runs out.
- 10. energy is energy that is chemically used.
- 14. is the use of nuclear electricity
- 15. is the heat/energy from under the earth.
- 16. energy is energy that never ends or stops from growing.
Down
- 1. energy is energy from the sun.
- 2. energy is energy that requires motion.
- 3. energy is energy that is hot or heated.
- 6. energy obtained from harnessing the wind with windmills or wind turbines.
- 9. is used for transportation.
- 11. resources is sources that will last till a couple of years
- 12. uses the flow of water to use.
- 13. matter used as a fuel, especially in a power station for the generation of electricity.