Energy Crossword

123456789101112131415161718192021
Across
  1. 3. Energy stored in stretched or compressed materials
  2. 5. Visible energy that travels in waves
  3. 6. Energy that runs through wires and powers devices
  4. 9. Energy of motion
  5. 11. Transfer of heat through direct contact
  6. 13. Type of potential energy related to height above the ground
  7. 16. Energy we hear
  8. 18. Another term for thermal energy
  9. 19. Energy in a car or a person riding a bike
  10. 20. Energy stored in bonds of molecules
  11. 21. Fuel source we extract from the ground and burn to release energy
Down
  1. 1. Stored energy that can later be released
  2. 2. Needed to make things happen
  3. 4. Material that we put in our houses to reduce heat transfer
  4. 7. Transfer of energy through space without particles
  5. 8. Energy stored inside an atom
  6. 10. Devices that convert sunlight into electricity
  7. 12. Path for electric current to flow around
  8. 14. Tools and machines that help solve problems
  9. 15. Transfer of heat by fluid movement
  10. 17. How well energy is converted without waste