Diane's Energy Puzzle

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Across
  1. 4. made by breaking down atoms
  2. 8. works against gravity
  3. 14. aged biomass
  4. 16. a push or pull
  5. 17. storing energy
  6. 20. a rake
  7. 23. travels like rays of light
  8. 25. batteries
  9. 26. produced under the Earth's crust
  10. 27. connected to an axle
  11. 28. heat in gases and liquids
  12. 29. made by the sun
  13. 30. recycled energy
Down
  1. 1. used to raise objects
  2. 2. N+d=?
  3. 3. something you hear
  4. 5. energy stored in the bonds of atoms
  5. 6. living or recently living
  6. 7. measures energy
  7. 9. movement of one place to another
  8. 10. movement of atoms
  9. 11. a sloping surface
  10. 12. in motion
  11. 13. can't be replenished
  12. 15. travels in waves
  13. 18. measures force
  14. 19. direct touch
  15. 21. made with dams
  16. 22. turbines
  17. 24. a long, twisting inclined plane