True/False Indicate whether the
statement is true or false.
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1.
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Water waves can move a piece of cork floating on top of the water only in an up
and down motion.
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2.
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Mechanical waves can travel in any type of medium.
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3.
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Radio waves are the only type of electromagnetic wave that is a transverse
wave.
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4.
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Sound waves are compressional waves.
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5.
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The amplitude of a wave is the distance between a point on one wave and the
identical point on the next wave.
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6.
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In general, the more energy a wave has the greater its amplitude.
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7.
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The speed of light depends on the medium it travels through.
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8.
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You can see yourself in a mirror because of the wave property called
interference.
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9.
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Refraction occurs when the amplitude of a wave changes as it goes from one
medium to another.
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10.
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You can hear sounds around the corner of a door due to the wave property called
diffraction.
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Multiple Choice Identify the
choice that best completes the statement or answers the question.
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11.
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Which one of the following is NOT an example of a mechanical wave?
a. | sound wave | c. | earthquake wave | b. | water wave | d. | radio wave |
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12.
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Which one of the following is NOT an example of an electromagnetic wave?
a. | sound wave | c. | red light | b. | x-rays | d. | gamma rays |
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13.
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Which one of the following is NOT an example of a compressional wave?
a. | wave moving through a coiled spring | b. | sound traveling through the
air | c. | sound traveling through water | d. | green light traveling through the
air |
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14.
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Tsunamis have a large amount of energy because of their large ____.
a. | wavelength | c. | frequency | b. | amplitude | d. | diffraction |
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15.
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Which one of the following determines the color of a light wave?
a. | amplitude only | c. | wavelength and frequency | b. | wavelength and
amplitude | d. | interference
patterns |
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16.
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A place where molecules are far apart is a ____.
a. | refraction | c. | rarefaction | b. | reflection | d. | compression |
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17.
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The speed of sound through air is about ____.
a. | 340 m/s | c. | 3,000,000 m/s | b. | 2,000,000 m/s | d. | 3,000,000
m/hour |
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18.
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When light bounces off a surface it is called ____.
a. | reflection | c. | diffraction | b. | refraction | d. | interference |
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19.
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In which one of the following cases will refraction occur?
a. | light traveling from air to glass | b. | light reflecting off of a
mirror | c. | light bending around the corner of a door | d. | green light
interfering with blue light |
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20.
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Constructive interference occurs when waves meet ____.
a. | crest-to-crest and trough-to-trough | b. | crest-to-trough and
crest-to-trough | c. | trough-to-crest and trough-to-crest | d. | crest-to-crest |
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Matching
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Match each item with the correct statement below. a. | compressional wave | d. | mechanical wave | b. | electromagnetic wave | e. | transverse wave | c. | interference |
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21.
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does not require a medium to travel through
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22.
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light waves and water waves are examples of this
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23.
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interaction of various different waves
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24.
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can be either transverse or compressional
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25.
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sound waves are an example of this
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Match each item with the correct statement below. a. | amplitude | d. | reflection | b. | diffraction | e. | refraction | c. | frequency |
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26.
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the pitch of a sound wave
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27.
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why light shines off of a mirror
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28.
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related to the energy of a wave
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29.
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the changing of the speed of a wave
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30.
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the spreading out of waves around a barrier
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Completion Complete each
statement.
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31.
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Waves are rhythmic disturbances that carry energy through matter or space
without transferring ____________________.
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32.
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Since sound is a mechanical wave it needs a ____________________ to travel
through.
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33.
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Waves that do not require matter to transfer energy are ____________________
waves.
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34.
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____________________ waves can be either transverse or compressional.
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35.
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The less dense area of a compressional wave is called a(n)
____________________.
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36.
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In a compressional wave, the amount of compression is like the
____________________ of a transverse wave.
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37.
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The ____________________ is the unit of measure for the frequency of wavelengths
per second.
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38.
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Sound travels faster in ____________________ than in liquids.
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39.
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An electromagnetic wave is slowed down if many ____________________ are in the
medium.
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40.
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Hertz can be described as ____________________.
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41.
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The echo of a sound wave is due to ____________________ of the sound
wave.
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42.
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When light slows down as it passes from air to water it bends toward the
____________________.
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43.
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The change in direction of waves when the wave travels from air to glass is
____________________.
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44.
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Diffraction occurs when waves ____________________ around the edge of a
barrier.
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45.
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When two waves interact and their amplitudes cancel out, ____________________
interference has occurred.
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Short Answer
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46.
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A boat in a lake is subjected to passing water waves. Describe the motion of the
boat.
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47.
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Describe why you could not hear someone talk if you were both on the surface of
the Moon.
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48.
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How can light travel from the Sun to Earth through the vacuum of space?
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49.
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How do your vocal cords produce sounds?
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50.
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Explain why a bright light differs from a dim light in terms of the amplitudes
of each light wave.
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51.
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An instrument plays a pitch of 266 Hz. Another identical instrument plays a
pitch of 400 Hz. How do the wavelength of each of these sound waves compare?
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52.
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Light that reflects off some surfaces can cause glare. Why don't all
surfaces cause glare?
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53.
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A pencil is placed in a bucket of water. In some views, the pencil in the water
will look bent when compared to the pencil above the water. Why is this so?
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54.
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Why is diffraction of light hard to detect?
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55.
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Describe how ear protectors help protect against hearing damage.
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Problem
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56.
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When sunlight passes through a piece of glass known as a prism, the sunlight
gets separated into the colors of the rainbow. Use the concept of refraction to explain how this
occurs.
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