Energy

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Across
  1. 2. joining 2 atomic nuclei
  2. 3. coal deposits near the surface
  3. 6. coal deposits deep underground
  4. 7. first law of
  5. 8. fracking is controversial because it could cause
  6. 9. what does the reactor contain that is made out of U-235
  7. 10. energy of motion
  8. 11. nuclear energy produces no
  9. 14. cleanest fossil fuel
  10. 17. breaking up the atom's nucleus
  11. 19. a neutron strikes a Uranium-235 atom breaking it into 2 atoms
  12. 20. all fossil fuels
Down
  1. 1. process for converting stored chemical energy into forms we can use for other things. This is also known as “burning”.
  2. 4. the two step process of oil extraction
  3. 5. wind,solar,geothermal
  4. 12. It is formed from the compression of dead plant material called peat
  5. 13. is injected underground to push oil upwards to be collected.
  6. 15. mining uranium is ... than coal
  7. 16. With secondary extraction, The initial pressure...
  8. 18. another name for hydraulic fracturing