Waves Crossword #1

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Across
  1. 5. A way energy travels through space or matter
  2. 9. The highest point of a wave
  3. 11. A movement that starts a wave
  4. 12. A change in position over time
  5. 13. The time it takes for one complete wave cycle
  6. 15. The material or substance a wave travels through
  7. 17. The type of wave used in communication signals like music and news
  8. 21. Waves felt as heat by our skin
  9. 24. Waves used for cooking food and some communications
  10. 26. A wave where vibrations are at right angles to the direction of travel
Down
  1. 1. Moving back and forth regularly
  2. 2. A wave that can travel without a medium, like light
  3. 3. The distance between two matching points on a wave
  4. 4. Waves that can cause sunburn
  5. 6. A tiny packet of light energy
  6. 7. The height of a wave from its rest position
  7. 8. The unit used to measure frequency
  8. 10. The highest energy waves in the electromagnetic spectrum
  9. 14. A type of wave that needs a medium to move
  10. 16. How far something has moved from its starting point
  11. 18. The part of the spectrum humans can see
  12. 19. An empty space with no matter in it
  13. 20. The lowest point of a wave
  14. 22. The number of waves passing a point each second
  15. 23. The ability to do work or cause change
  16. 25. Waves used to see inside the human body