6.2 Key terms

2. The wearing away or movement of soil by wind or water.
4. The splitting of an atom’s nucleus to release energy.
7. The breakdown of dead plants and animals.
10. A resource that can be naturally replaced in a short time.
11. Using electricity to split water into hydrogen and oxygen.
14. A fuel formed from ancient plant and animal remains over millions of years.
16. A gaseous fossil fuel found underground, often with oil deposits.
17. Giving off radiation from unstable atoms.
18. The breaking down of rocks into smaller pieces.
19. A system of pipes used to transport gas or oil.
20. The process of removing resources from the Earth.
21. Traditional Aboriginal and Torres Strait Islander fire practices used to care for the land.

1. Energy released from radioactive materials.
3. A facility that uses nuclear reactions to generate electricity.
5. A resource that forms very slowly and cannot be replaced within a human lifetime.
6. A greenhouse gas released when fossil fuels burn.
8. A radioactive element used as fuel in nuclear power plants.
9. A gas that traps heat in the atmosphere.
12. A solid fossil fuel formed mainly from ancient plants.
13. Harmful substances released into the environment.
15. A liquid fossil fuel formed from ancient marine organisms.
16. Substances in soil that help plants grow.