Energy

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Across
  1. 3. A chemical element that is part of fossil fuel emissions.
  2. 4. Energy sources that will eventually run out.
  3. 7. The ability to do work or cause change.
  4. 9. Saving energy by using less of it.
  5. 12. A statement of money owed, often for energy use.
  6. 14. Nonrenewable energy sources like coal, oil, and natural gas.
  7. 16. Energy from moving water.
  8. 17. A system that delivers electricity to homes and businesses.
  9. 19. The average weather in a region over time.
  10. 20. Energy generated by moving air.
Down
  1. 1. Heat energy from inside the Earth.
  2. 2. The condition of not having enough resources, including energy.
  3. 5. Pollutants released into the air, often from burning fuel.
  4. 6. A form of energy used to power homes, devices, and machines.
  5. 8. A new idea or technology that solves a problem.
  6. 10. Using resources in a way that protects the future.
  7. 11. Energy from the sun.
  8. 13. Harmful materials added to the environment.
  9. 15. Using less energy to do the same job.
  10. 18. An energy source that naturally replenishes, like solar or wind.