Energy

2. Man's best friend
6. Once this type of energy is used up, it cannot be replaced.
11. When coal is burned it creates ________ which we use to power many everyday appliances.
12. Solar energy comes from this.
15. Large marsupial
17. One disadvantage of renewable energy is that we cannot ______ it to use whenever we want.
18. The job completed to gather coal.
19. To collect oil some people work on oil _____.

1. The type of power formed when an atom is split.
3. When fossil fuels burn they release CO2; contributing to global warming and the _______ effect.
4. The resource used to power something.
5. Flying mammal
7. Light energy from the sun is absorbed by solar ______ which creates electrical charges.
8. Likes to chase mice
9. Has a trunk
10. It has taken ______ of years for fossil fuels to form.
13. Wind spins around wind ________ in a wind farm which are connected to generators.
14. Solar, wind and ______ are examples of renewable energy.
16. _______ fuels are formed from the decomposed remains of plants and animals.