Energy Resources

1234567891011121314151617181920
Across
  1. 3. the central core of an atom
  2. 4. made from gasoline and alcohol mixing
  3. 6. energy rich substances formed from dead organisms
  4. 8. energy from the sun
  5. 9. intense heat from Earth's interior
  6. 11. the part of the nuclear reactor where nuclear fission occurs
  7. 14. a change from one form of energy to another
  8. 17. compounds made from oil
  9. 18. is a substance the provides energy
  10. 19. made of metal cadmium
  11. 20. layer of material that traps air
Down
  1. 1. burning of fossil fuels
  2. 2. rods made of u-235
  3. 5. the splitting of an atom's nucleus into two mini nuclei
  4. 7. electricity made by flowing water
  5. 10. made from living things
  6. 12. chemicals that contain hydrogen and carbon atoms
  7. 13. the percentage of energy that is used
  8. 15. fuel rods generate too much heat that they start to melt
  9. 16. another name for oil