ENERGY RESOURCES CROSSWORD PUZZLE

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Across
  1. 2. energy, the process by which wind is used to generate electricity.
  2. 4. energy generated or produced by living or once-living organisms.
  3. 7. formed from the remains of ancient marine organisms, such as plants, algae, and bacteria.
  4. 8. a machine that transforms mechanical energy into electricity.
  5. 10. a combustible black or brownish-black sedimentary rock built mostly carbon.
  6. 13. energy, energy that is generated from natural processes that are continuously replenished.
  7. 15. the highest level of coal. It is a hard, brittle glossy black coal.
  8. 16. energy, heat within the earth.
  9. 17. sometimes referred to as brown coal It is the lowest grade coal with the lowest carbon content.
  10. 19. energy, the use of nuclear reactions to produce electricity
  11. 20. has a high heating value and is the most used kind of coal utilized in the production of power.
Down
  1. 1. a device that converts the kinetic energy of fluid into rotational motion of the device itself.
  2. 3. fuels, the remains of plants and animals that died millions of years ago.
  3. 5. energy, a form of energy that harnesses the power of water in motion
  4. 6. energy, an energy that comes from sources that not be replenished in our lifetime.
  5. 9. the flow of electrical power or charge.
  6. 11. a kind of energy that is both dynamic and transportable and may be transformed into usable forms.
  7. 12. a barrier that stops or restricts the flow of surface water or underground streams.
  8. 14. plant, an industrial facility that generates electricity from primary energy.
  9. 18. gas, a naturally occurring hydrocarbon gas combination including methane.