Haaga Energy Crossword

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Across
  1. 3. This is a machine for producing continuous power that uses flowing water
  2. 6. This is when the fuel rods generate too much heat so that they start to melt.
  3. 8. This isn't currently used as an energy source because if it merges, it could cause an explosion.
  4. 9. This is when resources take way too long to make in the time we use it.
  5. 12. these bulbs can be used to conserve energy in your home.
  6. 13. This is the original source of energy in wind and flowing water.
  7. 14. this is what coal is mostly used for.
  8. 18. this is when bacteria feed on dead plants and animals to produce methane.
  9. 20. This is a layer of material that traps air to help block the transfer of heat between the air inside and outside of a building.
  10. 22. This is when you add alcohol to gasoline to form a mixture.
  11. 24. These are chemical compounds that contain carbon and hydrogen atom combine with oxygen from the air to form carbon dioxide and water.
  12. 26. This is when you burn biomass for energy.
  13. 27. This is when you add yeast to biomass to make ethanol.
  14. 29. This is when resources can be replenished in a relatively short time.
Down
  1. 1. Solar energy mostly uses this as its main source.
  2. 2. this is a dark, thick, oil obtained from the ground
  3. 4. Oil is mainly used for this.
  4. 5. This energy doesn’t exist on earth, so it must be separated from other elements.
  5. 7. this uses wind, flowing water, and tides to produce energy
  6. 10. This is a panel that turns the sun's rays into electricity
  7. 11. Coal, oil, and natural gas are three major types of this.
  8. 15. It is the energy that can burn garbage, wood shavings, fruit pits, corn cobs, etc.
  9. 16. This is compounds made from oil
  10. 17. This energy uses the movement of water.
  11. 19. It's the energy that uses turbines.
  12. 21. this is the percent of the coal mined in the U.S. is exported to other countries.
  13. 23. This is a factory in which crude oil is heated and separated into fuels and other products.
  14. 25. Magma that heats up the water underground that pumps up to above sea level is called this.
  15. 28. This is a substance that provides energy.