blazejewskia Energy Crossword

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Across
  1. 2. A type of energy that is clean, renewable, and inexpensive
  2. 6. The chemical compounds that have carbon and hydrogen atoms in them
  3. 8. A layer of material that traps air to block the air inside and outside of a building from transferring
  4. 12. Solar energy is the original source of energy in wind and this
  5. 13. What is it called when the two kinds of hydrogen are forced together by tremendous heat and pressure and it creates a helium nucleus with less mass than the hydrogen nuclei and the lost mass is converted into energy
  6. 17. The compounds that are produced from oil
  7. 20. Electricity produced by flowing water
  8. 21. This is where water changes into steam from the heat inside of a nuclear power plant.
  9. 22. Energy in the form of heat and light given off by the sun
  10. 24. Created by burning wood, crops, and animal waste
  11. 26. Captures water and heats water inside of a tank
  12. 27. This element isn't commonly used as a fuel today because it takes more energy than is produced when it burns, and it is expensive
  13. 28. The percentage of coal mined in the U.S.A. that is exported to other countries
  14. 30. Energy that cannot be replenished in a short amount of time
Down
  1. 1. examples are coal, natural gas, and oil
  2. 3. These are put between the fuel rods if the reactor vessel gets too hot to slow down the chain of reactions
  3. 4. When fuel rods that are inside a nuclear reactor melt
  4. 5. What oil is mainly used for
  5. 7. What is it called when a neutron strikes the U-235 nucleus and then the U-235 nucleus splits into two smaller nuclei and more neutrons and energy are released
  6. 9. What does the steam turn to generate electricity inside of a nuclear power plant
  7. 10. Comes from the Earth's core as heat
  8. 11. This is what most coal is used for
  9. 14. A factory where crude oil is heated and then separated into fuels and other products
  10. 15. Reducing the amount of energy you use
  11. 16. A type of light bulb that is energy efficient
  12. 18. When a chemical change occurs, energy is provided by a substance
  13. 19. Energy that can be replenished in a relatively short period of time
  14. 23. Formed by mixing alcohol and gasoline
  15. 25. The place where nuclear fission occurs in a nuclear power plant
  16. 29. What is the third need for fuel if the other two are transportation and heating and cooling