3. THIS IS

4. That was Waves & Sound Simple Harmonic Motion,

5. 100 200 300 400 500 SHM The Pendulum WavesSound More Waves Assorted Vocabulary

6. This word means vibration. A 100

7. What is oscillation? A 100

8. An `Etude is a short complex musical composition. Another ‘tude that refers to the amount of displacement from equilibrium for any vibrating body. A 200

9. What is amplitude? A 200

10. This word describes any force that acts to bring a body back to equilibrium A 300

11. What is restoring? A 300

12. The unit of vibrational frequency has this name, and these units. A 400

13. What is Hertz, and cycles per second? A 400

14. During a vibration, this is directly proportional to the restoring force. A 500

15. What is the displacement from equilibrium? A 500

16. The mass at the end of the pendulum string goes by this familiar man’s name. B 100

17. What is bob? B 100

18. Among many other pendulum experiments, he timed the swaying movement of a chandelier in a Pisa cathedral with his pulse. B 200

19. Who was Galileo? B 200

20. Generally speaking, this is the only factor that influences the period of a pendulum. B 300

21. What is the length? B 300

22. If on another planet, this aspect related to that planet can affect the pendulum period. B 400

23. What is free-fall acceleration “g” on that planet? B 400

24. At this pendulum position during its swing, restoring force and acceleration are said to be at maximum and speed is zero. B 500

25. What is at maximum displacement? (At equilibrium, the restoring force and acceleration are zero, and the speed is at the maximum.) B 500

26. This is high point in a transverse wave form (above the equilibrium). C 100

27. What is the crest of the wave? C 100

28. This is how the wavelength measured? C 200

29. What is from one point on the wave, such as on the crest, to another analogous or related point on the wave, such as on the next crest? C 200

30. This describes the direction of a medium’s particle displacement, in relation to a transverse wave’s direction of travel in that medium. C 300

31. What is perpendicular to the wave’s direction of travel? C 300

32. DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

33. All waves transfer this from one location to another. C 400

34. What is energy? C 400

35. This wave pattern, such as in a taut string, appears to be stationary as it is it moves between fixed points. C 500

36. What is a standing wave pattern? C 500

37. This is the type of wave form that carries sound energy. D 100

38. What is longitudinal or compression? D 100

39. This is an area of the longitudinal wave in which the particles in the medium spread out. D 200

40. What is rarefaction? D 200

41. This name is given to the changes in pitch, perceived by someone standing still, as a siren-blasting fire engine moves towards, and then past, that person. D 300

42. What is the Doppler Effect? D 300

43. The parts of this trigonometric wave are often compared to the portions of the sound wave. D 400

44. What is the sine (sinusoidal) wave? D 400

45. This is way a sonic boom is created as a jet breaks the sound barrier. D 500

46. What is at supersonic speeds a pressure field is confined to a region extending mostly to the rear and extending from the jet in a restricted widening cone (called a Mach cone).Mach cone The sound waves combine behind the jet to form a “wake” which causes the loud boom. D 500

47. This is the lower part of the transverse wave form. (below the equilibrium) E 100

48. What is a trough? E 100

49. As the wavelength increases this happens to the frequency. E 200

50. What is the frequency decreases? E 200

51. The point in a standing wave that remain stationary, and the areas that are vibrating. (You must give both terms.) E 300

52. What are nodes (stationary points) and antinodes (areas of vibration)? E 300

53. This happens to wave pulse amplitudes during constructive interference? E 400

54. What is they add together? E 400

55. When two wave pulses pass on opposite sides of the equilibrium position, and they completely cancel each other out, this has happened. E 500

56. What is complete destructive interference ? E 500

57. This is the reflection of sound arriving sometime after the original directed sound. F 100

58. What is an echo? F 100

59. This is the bending of waves as they travel from one medium to another. F 200

60. What is refraction? F 200

61. This is bending of waves around obstacles or through openings. F 300

62. What is diffraction? F 300

63. F 400 This is happens when an object, vibrating at the same natural frequency of another object, causes the second object to vibrate.

64. What is resonance? F 400

65. The process of causing a disturbance which produces a wave. F 500

66. What is propagation? F 500

67. The Final Jeopardy Category is: Sound: Harmonics Please record your wager. Click on screen to begin

68. The ____________ harmonic frequency has the greatest possible wavelength and therefore also had the lowest possible frequency. (This is the word that correctly fills the blank.) Click on screen to continue

69. What is fundamental? Click on screen to continue

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