Earth and Sources of Energy

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Across
  1. 3. The part of the core where it is solid.
  2. 5. Where the plates move towards each other
  3. 8. Used in fuel cells with oxygen to create electricity and water
  4. 10. Where the plates away towards each other
  5. 12. The part of the core where it is molten.
  6. 15. “The rock that burns”, not used due to complex extraction process
  7. 16. The movement of sediments slows or stops.
  8. 17. Where the plates slide across each other
  9. 19. Less than 1% of Earth’s mass, thinnest layer
  10. 21. A type of energy made by using heat from beneath the Earth
  11. 22. The type of energy made by running water using a dam.
  12. 23. Type of energy made from organic material.
  13. 24. Used in transportation and plastics, made by ocean organisms (plankton)
Down
  1. 1. Made by winds blowing over the ocean.
  2. 2. 70% of Earth’s mass, the plates move because of this
  3. 4. A type of crust that we are on, 35 km thick
  4. 6. The last name of the scientist that proposed continental drift
  5. 7. Used by windmills, to generate electricity
  6. 9. The crust type that is under the ocean, 8 km thick.
  7. 11. Natural agents breakdown and transport materials
  8. 13. Used in steel, made in swampy areas
  9. 14. The process of breaking rocks into smaller pieces, 3 types.
  10. 18. Type of energy used from the sun
  11. 20. A type of energy that can be replenished after a short time.