Energy Resources

1234567891011121314
Across
  1. 3. radiant energy emitted by the sun.
  2. 5. hydroelectric power.
  3. 7. a form of solar energy.
  4. 9. energy he energy released during nuclear fission or fusion,
  5. 11. energy-is a resource of economic value that cannot be readily replaced by natural means at a quick enough pace to keep up with consumption.
  6. 12. a combustible black or dark brown rock consisting mainly of carbonized plant matter,
  7. 13. gas-flammable gas, consisting largely of methane and other hydrocarbons
  8. 14. the total mass of organisms in a given area or volume.
Down
  1. 1. the action of preserving something.
  2. 2. fuels
  3. 4. relating to or produced by the internal heat of the earth.
  4. 5. is a zero-emission fuel burned with oxygen.
  5. 6. a viscous liquid derived from petroleum,
  6. 8. prevention of wasteful use of a resource.
  7. 10. Energy-energy from a source that is not depleted when used, such as wind or solar power