Chapter 5 Vocabulary

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Across
  1. 3. collection of reflected sounds from surfaces in a closed space
  2. 7. longitudinal wave that can travel only though matter
  3. 9. rapid back and forth motion that can occur in solids, liquids, or gases
  4. 10. change of pitch when a sound source is moving in relation to an observer
  5. 14. occurs when waves overlap and combine to form a new wave
  6. 16. study of how sound interacts with structures
  7. 17. perception of how high or low a sound is
  8. 18. system that uses the reflection of sound waves to find underwater objects
  9. 19. number of wavelengths that pass by a point each second
Down
  1. 1. maximum distance a wave varies from its rest position
  2. 2. increase in amplitude when object vibrating absorbs energy from a nearby vibrating object at same frequency
  3. 3. bouncing of a wave off a surface
  4. 4. reflected wave sound
  5. 5. transfer of energy from a wave to the medium through which it travels
  6. 6. region of a longitudinal wave where the particles of the. medium are closet together
  7. 8. wave in which the disturbance is parallel to the direction the wave travels
  8. 11. change in direction of a wave as it changes speed in moving from one medium to another
  9. 12. material in which a wave travels
  10. 13. amount of energy that passes through a square meter of space in one second
  11. 15. process an animal uses to locate an object by means of reflected sounds