Energy Crossword

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Across
  1. 2. A unit used to measure energy
  2. 3. The form of energy used to power homes and devices
  3. 4. Energy that travels in waves and lets us see
  4. 8. A type of energy that travels through space as waves
  5. 9. The energy of motion
  6. 10. Energy from the sun
  7. 11. A type of energy stored in food
  8. 13. A type of fuel made from ancient plants and animals
  9. 18. A source of energy that can run out
  10. 20. Energy related to heat
Down
  1. 1. A material that blocks the flow of electricity
  2. 5. Energy that comes from moving water
  3. 6. A material that allows electricity to flow easily
  4. 7. The ability to do work
  5. 12. A clean energy source from wind
  6. 14. A renewable energy from Earth's heat
  7. 15. Energy made by splitting atoms
  8. 16. A device that turns sunlight into electricity
  9. 17. The energy stored in stretched or compressed objects
  10. 19. Energy stored in batteries