1. Waves and Sound Review Wave Words Do the WAVE! Wave Math 100 200 300
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2. The names for the top and bottom points of a transverse wave.
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3. Crest and trough
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4. The time it takes for one cycle to occur.
Answer

5. period
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6. A single unit of periodic motion
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7. cycle
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8. Distance from the crest of one wave to the crest of the next
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9. wavelength
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10. Unit of measurement for frequency
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11. Hertz (Hz)
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12. This happens when two or more waves interact
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13. Interference
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14. The type of wave that oscillates perpendicular to the direction the wave travels.
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15. transverse
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16. Occurs when two waves interact with each other to make a wave of smaller amplitude
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17. Destructive interference
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18. Occurs when two waves interact to form a bigger wave
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19. Constructive Interference
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20. The type of wave that travels in the same direction as the oscillations
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21. longitudinal
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22. Give an example of a transverse Wave
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23. Ocean waves, electromagnetic waves
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24. Give an example of a longitudinal wave
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25. Sound waves
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26. When a door is only slightly opened, sound will pass from one room to another due to mainly _________________.
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27. diffraction
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28. What occurs when sound waves hit an acoustic tile in an auditorium?
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29. absorption
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30. 5 meters
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31. DAILY DOUBLE!!!!
QUESTION

32. Give the units for the variables used in v= l f

33. V= m/s l = m f = hertz
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34. The unit for measuring the loudness of sound
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Decibel (dB)
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36. True or False: The speed of sound is about 343 m/s
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37. True
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38. True or False: Sound waves are slower than light waves
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39. True
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40. True or False: Sound waves travel faster in outer space than in air.
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41. False Sound depends on three things: a vibrating source to create the sound waves, a medium (such as air) to carry the waves, and a receiver to hear them. Sound waves can't travel through a vacuum.
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42. Give the correct order from slowest to fastest for the speed of sound through these three media. [water, air, wood]
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43. (slowest)Air, water, wood (fastest)
Some mediums are better at conducting sound than others. Like all gasses, air is a poor medium for sound waves. Liquids, such as water, are better, and rigid, solid substances, such as iron and stone, are even better, while rubber, cork, and cotton are some examples of poor conductors.
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44. As you decrease the temperature & pressure of air, does the speed of sound increase or decrease?
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45. Decreases!
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46. As the wavelength decreases, the frequency of a wave ________________
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47. increases
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48. As the loudness of a sound increases, the amplitude of the wave ______________
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49. increases
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50. The frequency increases when the source and the observer approach each other and decreases when they move apart.
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51. The Doppler Effect
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52. Which of the following sounds has the shortest wavelength
Which of the following sounds has the shortest wavelength? 75 hz B) a female soprano hz C) a man’s 500 hz
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53. B) a female soprano singer @2000 hz
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54. What is the equation you would use to solve for wavelength of a wave?
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55. V / f = l
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56. A wave made by dropping a ball in water has a frequency of 2 Hz and a speed of 10 m/s. What is the wavelength of this wave?
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57. 5 m
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58. A tuning fork has a frequency of 200 hz and the wavelength of sound produced is 10m. Calculate the velocity of the wave.
Answer

59. 2000 m/s
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60. An ocean wave is moving toward the shore with a velocity of 15m/s
An ocean wave is moving toward the shore with a velocity of 15m/s. If its frequency is 5hz, what is the wavelegth?
Answer

61. 3 m
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62. A rope is moved with a speed of 120 m/s
A rope is moved with a speed of 120 m/s. If the length of the wave is 10 m, what is the frequency of the wave?
Answer

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12 hz
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