Waves

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Across
  1. 1. Distance a wave travels over time
  2. 6. Interference that increases wave amplitude
  3. 8. Distance between starting point and peak or valley
  4. 10. When a wave bounces off a surface
  5. 11. Wave where motion is perpendicular to direction of travel
  6. 14. Wave where motion is parallel to direction of travel
  7. 15. Region of high particle density in a longitudinal wave
  8. 17. The distance between one end of a wave to another
  9. 18. How often waves appear
  10. 19. How often waves are in a second
Down
  1. 2. How high or low a sound is
  2. 3. Interference that reduces wave amplitude
  3. 4. Rapid back and forth movement
  4. 5. Highest point of a transverse wave
  5. 7. How loud a sound is
  6. 9. Spreading of waves around an opening or obstacle
  7. 11. Lowest point of a transverse wave
  8. 12. What waves transfer without moving matter
  9. 13. When two or more waves overlap
  10. 16. Substance through which a wave travels