McCarrona Energy Crossword

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