Across
- 2. mining used when coal deposits are deep endangerment
- 5. Formed from the remains of organisms living millions of years ago
- 9. Nuclear _______ Involves joining 2 atomic nuclei
- 11. the unstable atom that nuclear reactors use to produce electricity
- 13. energy emitted in the form of waves of the electromagnetic spectrum
- 14. extraction where natural underground pressure pushes the oil to the surface requiring no additional action
- 17. Energy associated with the movement/flow of electrons
- 18. cleanest of the most common fossil fuels
- 19. liquid fossil fuel with a thick viscous texture
- 20. commonly used process for converting stored chemical energy into forms we can use for other things
- 21. resources generally readily available, and are replaced quickly or continually
- 22. compressed, dead plant material that forms coal
Down
- 1. When you burn methane, it produces carbon dioxide, energy and this other type of greenhouse gas.
- 3. Nuclear ______ Involves breaking up an atom’s nucleus
- 4. extraction where water or gas is injected underground to push oil upwards to be collected
- 6. mining used when coal deposits are near the surface
- 7. energy stored in Chemical Bonds between atoms and molecules.
- 8. energy in the movement of molecules
- 10. energy stored in forces holding atomic nuclei together
- 12. energy required to move/change an object’s position
- 15. the fracturing of bedrock formations underground by a pressurized liquid
- 16. resources which can never be replaced, or are replaced too slowly to be practical