2. Welcome to... A Game of X’s and O’s

3. Modified from a game Developed by Presentation © 2000 - All rights Reserved markedamon@hotmail.com

4. 789 456 123

5. 789 456 123 Scoreboard X O Click Here if X Wins Click Here if O Wins

6. 1 A mass oscillates on the end of a spring with a period of 4.0 seconds. What is the frequency?

7. 1 0.25 Hertz Home

8. 2 If you double the frequency, what happens to the period of one cycle?

9. 2 The period is ½ its original time.

10. 3 The distance from crest to crest.

11. 3 Wavelength

12. 4 This oscillates perpendicular to the direction of wave travel.

13. 4 A transverse wave

14. 5 An example of a longitudinal wave

15. 5 Sound waves

16. 6 An ocean wave has a frequency of 2 Hz and a speed of 20 m/sec. What is the wavelength of this wave?

17. 6 10 meters

18. 7 When a wave bends as it crosses a boundary, what occurs?

19. 7 Refraction

20. 8 Although a door is slightly opened, sound will pass from one room to another due to what?

21. 8 Reflection

22. 9 Humans hear best in the range from what?

23. 9 100 to 2000 Hz

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27. 1 What sound has the shortest wavelength: Thunder, a bass guitar, a male voice, a female soprano

28. 1 Thunder Home

29. 2 Loudness of sound

30. 2 Decibels

31. 3 A jackhammer measures 90 decibels, and city traffic registers 70 dB. How much louder is the jack-hammer?

32. 3 2 times as loud

33. 4 Two notes played at the same time have nearly the same frequency.

34. 4 Beats

35. 5 The three primary colors of light are?

36. 5 Red, Green, Blue

37. 6 The three primary colors of pigments are?

38. 6 Magenta, cyan, yellow

39. 7 Which waves are the slowest?

40. 7 Sound

41. 8 Sunscreen protects your skin from sunburn. For sunscreen to be effective, it must block or absorb:

42. 8 Ultraviolet light

43. 9 The bending of light rays that results as light crosses a boundary from one substance to another is called:

44. 9 refraction

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48. 1 Multiples of fundamental

49. 1 Harmonics Home

50. 2 A group chosen to include all those things of interest to be studied

51. 2 System

52. 3 A system that shows harmonic motion

53. 3 Oscillator

54. 4 The maximum response to an oscillating force occurring at a natural frequency.

55. 4 Resonance

56. 5 Number of cycles that occur in one second

57. 5 Frequency

58. 6 Three common oscillators

59. 6 Pendulum, heart, clock, atom, solar system, earth, radio speaker, spring, guitar string

60. 7 How are frequency and period related?

61. 7 They are inversely related.

62. 8 Three common situations in which you encounter waves

63. 8 Music on the radio, ripples in a puddle, electricity in a wire, cell phones

64. 9 Formula for Speed of a wave

65. 9 Frequency X wavelength