Energy Resources

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Across
  1. 3. Renewable energy resource from plants and waste
  2. 5. Variable that you measure
  3. 6. Made from the remains of plankton
  4. 8. Fossil fuels contribute to global ____
  5. 10. Made from the remains of trees
  6. 12. Coal, oil and gas are examples of ____ fuels
  7. 15. Word used to describe 'amount' of a liquid
  8. 16. Energy resources that will not run out
  9. 19. Reneweable energy resource that traps water behind a wall twice a day
  10. 20. Non-renewable fuel that does not release carbon dioxide
  11. 21. How many years does it take to make fossil fuels?
  12. 22. Original energy source for most renewable energy resources
Down
  1. 1. Renewable energy that uses white turbines
  2. 2. Reneweable energy resource that stops rivers flowing
  3. 4. Renewable energy resources are often _____
  4. 7. Variable that you change
  5. 8. Reneweable energy resource that relies on the sea
  6. 9. Usually found alongside coal and oil
  7. 11. Variable that stays the same
  8. 13. Renewable energy from the sun
  9. 14. Reneweable energy resource that uses water from the Earth's crust
  10. 17. Energy resources that cannot be replaced
  11. 18. Word used to describe 'amount' of a solid