Across
- 3. captured from the movement of ocean tides.
- 4. Fuel/A category including coal, oil, and natural gas, formed from ancient organic matter.
- 5. machine with blades that are turned by a fluid, like water or wind, to generate power.
- 7. liquid mixture of hydrocarbons, also called petroleum.
- 9. released from the nucleus of an atom, typically through fission of uranium.
- 13. combustible black or brownish-black sedimentary rock.
- 14. and fossil fuel energy resources
- 15. from the Earth's internal heat.
- 16. from the sun in the form of radiation.
- 17. Resource/A natural resource that can be replaced at the same rate it is consumed.
Down
- 1. matter like plant material or manure used as an energy source.
- 2. Gas/A fossil fuel consisting mainly of methane.
- 6. Resource/A natural resource that cannot be replaced once used.
- 8. energy terms
- 10. ability to do work.
- 11. energy from the flow of water, often from dams.
- 12. from the movement of air.
- 13. preservation and wise use of natural resources.
