1. Waves and Sound
Jeopardy T

2. Today’s topics are…. T

3. Definitions T

4. Waves 1 T

5. Waves 2 T

6. Draw it out T

7. Wildcard T

8. $100 $200 $300 $400 $500 Definitions Waves 1 Waves 2 Draw it out
Wildcard
$100
$200
$300
$400
$500 FJ

9. Medium T

10. A substance or material that carries a wave.

11. Wavelength T

12. The distance between two crests or troughs in a wave.

13. Amplitude
This is why breaking a brick over your head is safer than bouncing the brick off your head. T T

14. The maximum distance in between a crest/ trough and the resting position.

15. Vibration T

16. The back and forth motion of particles.

17. This is why breaking a brick over your head is safer than bouncing the brick off your head.
Wave
Quadrupling the distance from a source of sound will do this to the intensity. T T T

18. A disturbance that transfers energy from place to place.

19. Electromagnetic waves need a medium. (true or false)

20. False T

21. Give 3 real world examples of waves.T

22. Radio waves, microwaves, infrared waves, visible light, ultraviolet, x-rays and gamma rays.

23. Explain how a transverse wave moves.

24. Vibrate up and down
perpendicular T

25. What unit is used to measure wavelength?
A singer produces a sound wave that has a distance of 6.4 meters between successive crests. If it takes 0.02 seconds for a full wave to pass a listener in the audience, this is the wave’s frequency and velocity. T T

26. Units of distance: kilometer, meter, millimeter, and centimeter.

27. What unit is used to measure frequency?

28. Hertz T

29. Sound waves are longitudinal (true or false)
This is the type of collision that one or more bodies are deformed and heat is lost. T T

30. True T

31. Give 2 real world examples of a wave that needs a medium waves.

32. Sound Waves, water and seismic waves.

33. What is a rarefaction? T

34. A rarefaction is a part of a longitudinal wave that is more spaced out (rare).

35. Daily
Double! T

36. How does a longitudinal wave move ?

37. Back and Forth
Parallel T

38. Why is there no sound in outer space?

39. Sound is a mechanical wave. Mechanical waves require a medium.T

40. A transverse wave with a frequency of 1 Hz

41. T

42. Draw a transverse wave, then draw a second transverse wave with it’s energy increased.

43. A waves energy increases as frequency increases or as amplitude increases.

44. Draw a wave with a high amplitude.
This is the work needed and power exerted by 500 kg Stay Puff Marshmallow Man to climb a 200m high building in 10 seconds. Assume g =10 m/s2 T T

45. Check answers
What is
W = 1.0 x106 J and
P = 1.0 x 105 W? T T

46. Draw and label a longitudinal wave.

47. What is
340 Hz? T T

48. Draw a transverse wave with 4 or more parts labeled.
This is the work needed and power exerted by 500 kg Stay Puff Marshmallow Man to climb a 200m high building in 10 seconds. Assume g =10 m/s2
Draw a transverse wave with 4 or more parts labeled.
A 15 centimeter closed tube resonates at 480 Hz. This will be the next tube length that will resonate with the same 480 Hz. T T T

49. T

50. What do waves transfer? T

51. ENERGY T

52. What type of wave requires a medium?

53. Mechanical T

54. What are three examples of a medium?

55. All matter: Solids, liquids, gases and plasmas.

56. A wave made with a jump rope would be what type of wave?

57. Transverse T

58. Describe the relationship between frequency and wavelength.

59. As frequency increases, wavelength decreases and vice versa.