Across
- 2. splitting of an atom into two nuclei
- 7. when two nuclei combine to make one nucleus
- 9. another word for oil
- 10. a factory where oil is heated
- 12. another word for solar energy
- 13. found in natural gas
- 14. these are drilled into the ground to make Geothermal energy
- 15. electricity produced by flowing water
- 16. group of fuels made from living things
- 19. reducing the percentage of the energy used to perform work
- 23. part of nuclear reactor where nuclear fission occurs
- 26. a type of fossil fuel found within a rock
- 28. when fuel rods generate so much heat that they start to melt
- 29. structure that holds back water
Down
- 1. heat from earth's interior
- 3. the three major fossil fuels
- 4. something that provides energy
- 5. material used to insulate something
- 6. reducing energy use
- 8. alcohol and gasoline merged
- 11. the central core of an atom
- 12. compounds made from oil
- 17. rods that the reactor contains
- 18. rods inserted between fuel rods
- 20. man-made body of water that stores water for future use
- 21. a type of gas that harms the earth
- 22. another word for burning
- 24. machine that makes electricity
- 25. when something never runs out
- 27. fastest growing energy source in the world