McCarrona Energy Crossword

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Across
  1. 3. when two hydrogen nuclei collide to make a helium nucleus which produces energy
  2. 4. a series of pools built like steps to help fish pass a dam or waterfall
  3. 6. when hydrogen is split from water using an electric current
  4. 8. adds yeast to biomass to produce ethanol
  5. 11. will produce methane, has to do with biomass
  6. 12. electricity produced by flowing water
  7. 15. what oil is mainly used for
  8. 16. compounds that are made from oil such as plastic, paints, and other products
  9. 17. when an atom's nucleus splits into two smaller nuclei
  10. 19. resources that can be replenished but over a long period of time
  11. 21. a substance that provides energy as a result of a chemical change
  12. 23. the most plentiful gas in the universe
  13. 26. converting biomass into gas and liquid fuels
  14. 27. used to harness the wind to power energy
  15. 28. chemical compounds that contain carbon and hydrogen atoms
  16. 29. light and heat given off by the Sun
Down
  1. 1. lights that last longer and are better for the environment
  2. 2. separating the hydrogen from carbon into methane
  3. 5. resources that can be replenished in a relatively short period of time
  4. 7. efforts made to reduce the consumption of energy
  5. 9. heat from the Earth's interior
  6. 10. lights that use gas in order to work
  7. 13. efforts made to reduce the amount of energy required to provide products and services
  8. 14. large padding used as a barrier to trap heat, mostly found inside the walls of houses
  9. 18. used to convert the Sun's rays into usable energy
  10. 20. a factory where crude oil is heated and separated into fuels and other products
  11. 22. wood, plant parts, manure, and food wastes that can be used as fuels
  12. 24. a mix of alcohol and gasoline that can be used to fuel cars
  13. 25. pushes windmills or turbines to power electricity