Acoustics and Resonance

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Across
  1. 1. wave type that deals with time
  2. 3. a disturbance creates changes in pressure throughout an elastic medium
  3. 4. wave type that deals with space
  4. 9. term for when sound echos
  5. 10. type of complex sound that consists of two or more frequencies but the frequencies are not systematically related to each other
  6. 12. characterized by waves of two or more frequencies
  7. 13. an object that is set into vibration by the action of another vibration
  8. 14. type of forced vibration in which a vibrating object on a large resilient object will cause it to start vibrating
  9. 15. term for when wave changes direction because of a local difference of temperature in the air
  10. 16. time it takes for one cycle to occur
  11. 17. term for when sound passes through something
  12. 18. number of cycles per second
  13. 19. used to visually represent simple harmonic motion or all the energy located at one frequency
  14. 22. a smooth back and forth motion
  15. 23. a branch of physics concerned with the properties of sound
  16. 25. an object in motion stays in motion and an object at rest stays at rest
  17. 27. when molecules are far apart
  18. 31. term for when a wave changes direction due to an obstacle
  19. 32. term for damping of a wave
  20. 35. waves that are used for sound
  21. 36. type of complex sound that consists of a series of frequencies that are systematically related to each other
  22. 37. one compression and one rarefaction
Down
  1. 1. lowest point in a cycle
  2. 2. the maximum displacement from position of rest
  3. 5. a decrease in amplitude
  4. 6. the difference in pressure
  5. 7. the frequency at which an elastic system will vibrate if set into vibration and left alone
  6. 8. tone composed of one frequency of vibration
  7. 10. also known as tube resonance
  8. 11. when molecules are close together
  9. 20. the property of an object to its original shape
  10. 21. distance from crest to crest and trough to trough
  11. 22. type of forced vibration in which one vibrating object will cause another object to start vibrating without touching
  12. 24. waves that are used for light
  13. 26. an object that vibrates at its own natural or resonant frequency
  14. 28. term for when some portion of the wave that is not transmitted or absorbed bounces back from the surface of the boundary and travels in the opposite direction
  15. 29. objects that are enforced to vibrate
  16. 30. man who discovered acoustical resonance
  17. 33. highest point in a cycle
  18. 34. unit that measures the intensity of a sound