Science Crossword Puzzle

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Across
  1. 4. Most energy on the EM spectrum
  2. 6. An example is an echo
  3. 9. SI unit for resistance
  4. 10. Happens any time the source of a sound is changing position compared with the observer
  5. 11. (I)
  6. 12. The units for the intensity of sound
  7. 13. An example is rubbing
  8. 15. An example of a good conductor of heat
  9. 16. The sum of kinetic and potential energy
  10. 17. Stored energy
Down
  1. 1. Longest wavelength on the EM spectrum
  2. 2. The bending of waves around a barrier
  3. 3. During phase changes, what does not change
  4. 5. The transfer of heat through direct contact
  5. 7. Waves that don't require a medium to travel
  6. 8. Waves that require a medium to travel
  7. 14. Waves that have an amplitude crest and trough
  8. 18. Travels fastest in a vacuum