Module 3 Lesson 1

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Across
  1. 3. a disturbance that transfers energy from one place to another without transferring matter
  2. 5. Frequencies above 20,000hz
  3. 9. a space entirely devoid of matter.
  4. 10. the particles in a medium to move parallel to the direction that the wave travels.
  5. 14. the maximum distance that the wave moves from its rest position.
  6. 16. the amount of sound energy that passes through a square meter of space in one second.
  7. 17. The perception of how high or low a sound seems
  8. 18. a straight line at an angle of 90° to a given line, plane, or surface.
  9. 19. a wave in which the disturbance is perpendicular to the direction the wave travels.
Down
  1. 1. The amount of energy transferred by waves in a given time
  2. 2. the number of times the pattern repeats in a given time.
  3. 4. Top of the wave
  4. 6. Bottom of the wave
  5. 7. a longitudinal wave that can travel only through matter.
  6. 8. The distance between one point on a wave to the same point on the next wave
  7. 11. is a wave that travels only through matter.
  8. 12. side by side and having the same distance continuously between them.
  9. 13. A material in which a wave travels
  10. 15. a back-and-forth or an up-and-down movement of an object.