Across
- 4. cannot be replenished or remade in a small amount of time
- 7. 26%of US oil is used in this
- 8. a rod made from a neutron absorbing substance
- 9. a factory in which crude oil is heated and separated into fuels and the other product
- 10. one proton and one electron is what is in these
- 13. energy made from things like wood, plant parts, manure and food wastes
- 14. 13% of US coal is used in this
- 16. 61% of US oil is used in this
- 17. subatomic particle found in the nucleus of every atom
- 20. refined petroleum used for combustion engines in vehicles
- 21. Energy conversions that occur when a car engine burns gasoline
- 23. the act of reducing energy
- 25. Chemical compounds that contain carbon and hydrogen atoms
- 26. energy this only works when the sun is shining
- 28. These form when the carbon and hydrogen atoms combine.
Down
- 1. substance that provides energy such as heat, light, motion or electricity
- 2. can be remade in a relatively short time
- 3. mixture when you add alcohol to gasoline
- 5. the combination of common nuclea
- 6. light and heat given off from the sun
- 11. energy produced by flowing water from a resevoir
- 12. 7% of coal is used in this
- 14. amount of energy used to preform or work
- 15. a machine used for continuous power that has blades
- 18. heat from earth's interior
- 19. splitting of atoms
- 22. compounds that are made from oil
- 24. a pollution causing nonrenewable energy
- 25. 1%of US coal is used in this
- 27. this occurs when there is excess heat caused by a series of explosions