Energy

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Across
  1. 1. Moving air that can be used to generate electricity.
  2. 6. A black fossil fuel formed from ancient plants.
  3. 7. When a liquid changes into gas.
  4. 9. A measure of how hot or cold something is.
  5. 11. The ability to do work or cause change.
  6. 12. Energy that comes from the Sun.
Down
  1. 2. Energy released from the nucleus of an atom.
  2. 3. Energy from plants, wood, and other organic materials.
  3. 4. The unit used to measure energy.
  4. 5. A form of energy that makes things warmer.
  5. 8. Heat energy that comes from inside the Earth.
  6. 10. A heavy metal used as fuel in nuclear power plants.