Matching
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Match the terms with the correct phrase below. a. | compressional wave | i. | pitch | b. | diffraction | j. | refraction | c. | electromagnetic
spectrum | k. | reverberation | d. | electromagnetic wave | l. | transverse wave | e. | frequency | m. | ultraviolet waves | f. | infrared waves | n. | wave | g. | intensity | o. | wavelength | h. | law of
reflection |
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1.
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the complete range of electromagnetic wave frequencies and wavelengths
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2.
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waves with wavelengths between one thousandth and 700 billionths of a
meter
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3.
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causes particles in matter to move back and forth along the same direction in
which the wave travels
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4.
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the distance between one point on a wave and the nearest point moving with the
same speed and direction
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5.
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the angle that the incoming wave makes with the normal equals the angle that
the outgoing wave makes with the normal
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6.
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the amount of energy that a wave carries past a certain area each
second
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7.
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the human perception of the frequency of sound
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8.
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repeated echoes
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9.
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waves with wavelengths between about 0.4 millionths and ten billionths of a
meter
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10.
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a disturbance that carries energy through matter or space
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11.
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causes particles in matter to move back and forth at right angles to the
direction in which the wave travels
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12.
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waves that can travel through matter or empty space
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13.
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the change in direction of a wave when it travels from one material to
another
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14.
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the bending of a wave around an object
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15.
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the number of wavelengths that pass by a point each second
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Match the terms with the correct phrase below. a. | diffraction | e. | refraction | b. | electromagnetic wave | f. | reverberation | c. | frequency | g. | transverse wave | d. | pitch | h. | wavelength |
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16.
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the distance between one point on a wave and the nearest point moving in the
same direction in which the wave travels
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17.
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the number of wavelengths that pass by a point each second
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18.
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the bending of a wave around an object
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19.
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the human perception of the frequency of sound
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20.
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a wave that can travel through matter or empty space
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21.
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repeated echoes
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22.
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causes particles in matter to move back and forth at right angles to the
direction in which the wave travels
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23.
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the change in direction of a wave when it travels from one material to
another
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Choose the name of the type of wave described in the phrases
below. a. | transverse wave | b. | compressional wave | c. | electromagnetic
wave |
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24.
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can travel through matter or empty space.
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25.
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contains high points called crests
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26.
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contains rarefactions in the wave
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27.
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contains electric and magnetic parts
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28.
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detected by the ear
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29.
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detected by teh eye
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Match each term with the correct statement below. a. | visible light | f. | pitch | b. | reverberation | g. | intensity | c. | diffraction | h. | wavelength | d. | ultraviolet waves | i. | infrared waves | e. | refraction | j. | wave |
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30.
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disturbance that moves through matter or space
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31.
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distance between one point on a wave and the nearest point moving with the same
speed and direction
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32.
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change in direction of a wave when it changes speed as it travels from one
material to another
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33.
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bending of waves around an object
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34.
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human perception of the frequency of sound
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35.
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repeated echoes
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36.
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amount of energy that a wave carries past a certain area each second
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37.
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waves emitted by all warm bodies
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38.
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waves that can cause sunburn
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39.
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electromagnetic waves that people can see
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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40.
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Waves that can travel only through matter are known as ____ waves.
a. | energy | c. | electromagnetic | b. | mechanical | d. | light |
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41.
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____ is measured in meters.
a. | Frequency | c. | Wavelength | b. | Wave speed | d. | Intensity |
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42.
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Frequency is measured in units called ____.
a. | decibels | c. | hertz | b. | lambda | d. | wavelength |
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43.
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Night vision goggles use ____ waves to locate people in the dark.
a. | infrared | c. | radio | b. | ultraviolet | d. | gamma |
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44.
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The wavelength of a ____ wave is the distance between two adjacent crests or
adjacent troughs.
a. | rolling | c. | transverse | b. | compressional | d. | seismic |
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45.
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To find the frequency of a compressional wave, you would count the number of
____ that pass by a point each second.
a. | crests | c. | diffractions | b. | refractions | d. | rarefactions |
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46.
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The amplitude of a compressional wave depends on the _____.
a. | density of material in compressions and rarefactions | b. | distance between
crests and troughs | c. | number of wavelengths that pass by a point each
second. | d. | vibration of electric and magnetic parts |
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47.
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Which of the following correctly states the equation for calculating wave
speed?
a. | wave speed = frequency / wave length | b. | wave speed = wave length /
frequency | c. | wave speed = wave length + frequency | d. | wave speed = wave length x
frequency |
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48.
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The SI unit for frequency is the _____.
a. | decibel | c. | hertz | b. | degree | d. | meter |
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49.
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Sound waves produced by a vibrating object are _____.
a. | compressional waves | c. | seismic waves | b. | electromagnetic waves | d. | transverse
waves |
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50.
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Loudness is the human perception of sound wave _____.
a. | frequency | c. | pitch | b. | intensity | d. | speed |
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51.
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The part of the ear that amplifies sound vibrations is the _____.
a. | cochlea | c. | inner ear | b. | middle ear | d. | outer ear |
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52.
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The process of detecting objects by bouncing sounds off them is called
_____.
a. | diffraction | c. | reverberation | b. | echolocation | d. | vibration |
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53.
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If the distance between the crest and trough of a wave is 1.2 m, the
wave’s amplitude is _____.
a. | 0.6 m | c. | 2.4 m | b. | 1.2 m | d. | 4.8 m |
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54.
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Sound intensity is measured in _____.
a. | decibels | c. | infrared waves | b. | hertz | d. | nanometers |
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55.
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The brightness of a light is determined by _____.
a. | air temperature | c. | wavelength | b. | intensity of light waves | d. | wave speed |
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56.
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The shortest radio waves are called _____.
a. | gamma rays | c. | microwaves | b. | infrared waves | d. | ultraviolet
waves |
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57.
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The electromagnetic waves with the highest energy are _____.
a. | gamma rays | c. | sound waves | b. | infrared waves | d. | ultraviolet
waves |
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58.
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How much of the energy emitted by the Sun reaches Earth?
a. | all | c. | most | b. | a small fraction | d. | nearly half |
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59.
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Theaters and concert halls often place curtains on the walls in order to
_____.
a. | absorb the energy of sound waves | c. | prevent
refraction | b. | increase sound reflection | d. | raise the intensity of sound |
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60.
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If the frequency of a sound wave is 7.0 Hz, and the sound wave travels through
the air at a speed of 350 m/s, what is the wavelength?
a. | 0.02 m | c. | 343 m | b. | 50 m | d. | 2,450 m |
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61.
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Light travels fastest in _____.
a. | empty space | c. | solids | b. | fresh water | d. | seawater |
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62.
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The intensity of light waves is a measure of the _____.
a. | distance the waves have traveled | c. | motion of air
particles | b. | energy carried by the waves | d. | speed of the waves |
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63.
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In order for the human body to make vitamin D, some exposure to what kind of
light waves is necessary?
a. | infrared waves | c. | ultraviolet waves | b. | microwaves | d. | X rays |
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64.
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As the frequency of a sound gets higher, so does its _____.
a. | intensity | c. | pitch | b. | loudness | d. | wavelength |
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65.
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All of the following are transverse waves except _____.
a. | gamma rays | c. | sound waves | b. | radio waves | d. | X rays |
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66.
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The electromagnetic waves with the highest frequency are _____.
a. | gamma rays | c. | radio waves | b. | microwaves | d. | visible light |
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Short Answer
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67.
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Explain the relationship between loudness and sound intensity.
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68.
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What are the three parts of the human ear and what is the function of each
part?
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69.
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Explain how humans see color.
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70.
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What affect does temperature have on the speed of sound through a
material?
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71.
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How is the intensity of sound waves related to amplitude?
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72.
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What are the three main parts of the human ear, and what are their basic
functions?
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73.
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Why is it unrealistic for an author to write about a spacecraft traveling faster
than the speed of light?
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74.
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What is the relation between the frequency of electromagnetic waves and their
wavelength?
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75.
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How do X rays help doctors see inside the human body?
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76.
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What is the difference between nearsightedness and farsightedness?
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77.
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How do rod and cone cells differ in function?
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Essay
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78.
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A sound wave with a frequency of 15,000 Hz travels through iron with a speed of
5,130 m/s. What is the wavelength of this wave?
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79.
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A radio wave has a wavelength of 0.3 m and travels at a speed of 300,000,000
m/s. What is the frequency of this wave?
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80.
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Compare and contrast refraction and diffraction.
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Modified True/False
Indicate
whether the statement is true or false. If false, change the identified word or phrase to make the
statement true.
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81.
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Light waves are electromagnetic waves. _________________________
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82.
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Transverse waves move particles back and forth along the same direction
in which the waves travel. _________________________
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83.
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Mechanical waves can travel either through matter or through empty space.
_________________________
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84.
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The frequency of a wave is the number of wavelengths that pass by a point
each second. _________________________
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85.
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The amount of diffraction depends on the size of the obstacle and the
wavelength of the wave. _________________________
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86.
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The energy carried by a sound wave is blocked by collisions between the
particles in the material the wave is traveling in. _________________________
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87.
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A vibrating drumhead produces a compression each time it moves upward and a
reflection each time it moves downward. _________________________
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88.
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The intensity of a sound wave increases as the wave spreads out from the
source of the sound. _________________________
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