Unit 8.2 Vocabulary

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Across
  1. 4. The substance or material through which a wave travels
  2. 5. A rapid back-and-forth motion that produces waves
  3. 8. How loud or soft a sound seems; related to amplitude
  4. 9. The height of a wave from its middle position to its crest or trough
  5. 10. A tiny piece of matter that moves to transfer energy in a wave
  6. 11. Anything that has mass and takes up space
  7. 14. The lowest point of a transverse wave
  8. 16. A type of longitudinal wave produced by vibrating objects
  9. 17. The distance between two corresponding points on adjacent waves
  10. 18. A representation used to explain or predict how something works
Down
  1. 1. The area in a longitudinal wave where particles are close together
  2. 2. The time it takes for one full wave cycle to pass a point
  3. 3. A wave where the vibration is parallel to the direction the wave travels
  4. 6. The area in a longitudinal wave where particles are spread apart
  5. 7. A wave that moves perpendicular to the direction of travel
  6. 10. How high or low a sound seems; related to frequency
  7. 12. The highest point of a transverse wave
  8. 13. A disturbance that transfers energy through matter or space
  9. 15. The number of waves that pass a point in one second