Landee's Energy crossword puzzle

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Across
  1. 1. The measurement from base to top of something.
  2. 4. Energy is measured in _________
  3. 5. Electricity that runs through the sky.
  4. 6. The _____ kept me warm.
  5. 10. A car is ______________
  6. 12. Energy of something in motion.
  7. 15. Energy cannot be created nor destroyed.
  8. 17. Used to create images of internal structures.
  9. 18. The energy that is in something stretchy.
  10. 19. Relating to the nucleus of an atom.
Down
  1. 2. Related to electricity.
  2. 3. Stored energy.
  3. 7. The ability to do work.
  4. 8. What energy are natural substances classified into.
  5. 9. Heat
  6. 11. In relation to magnetic fields.
  7. 13. Energy an object has due to height.
  8. 14. An activity that takes effort to achieve a result.
  9. 16. The type of energy the sun produces.