Rock Layers

4. The use of technology to collect, store, and distribute the sunlight's energy
5. A fossil fuel in a gas form used from heating and electricity production
6. The process by which two or more small nuclei's are used to make a bigger nucleus
8. A renewable source that comes from the sun
12. A nonrenewable resource that comes from within the atoms
13. Energy source that comes from plant material, manure, and other organic materials
14. A solid fossil fuel formed underground from buried decomposed plant materials
15. A cell that generates electricity from the controlled reaction between hydrogen and oxygen
16. An oily fossil fuel also known as crude oil
18. Power obtained by harnessing the energy of wind through the windmills
19. The use of sunlight to heat buildings directly
20. Electricity generated by the movement of seawater caused by the tides
21. A resource that can be replaced in a short time
22. Oil deposits that have been discovered but remain unused in the ground

1. The process by which materials in the Earth's crust are taken from the Earth
2. A nuclear reaction which a massive nuclear splits into smaller nuclei
3. Electrical energy produced by the flow of fallen water
7. A resource that can not be replaced or takes a very long time to be replaced
9. Any substance in nature that we use for energy
10. The practice of finding ways to use less energy or to use energy more efficiently
11. Energy from steam or hot water produced from hot, warm molten underground rocks
17. Non-renewable resources in the Earths Crust, it is made from remains of ancient organisms