Waves and Sound Review

1
Waves and Sound Review
Wave Words All About Waves Do the WAVE! Silly Sounds Wave Math
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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 distance from the equilibrium to the crest

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5
Amplitude

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6
Parts where the coils or parts of the wave are
close together

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7
Compressions

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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
Parts of the waves where coils or parts are
spread apart

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13
Rarefactions

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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
A type of wave that does not need a medium

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17
Electromagnetic

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18
Part of the electromagnetic spectrum that you can
see

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19
Visible

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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

• Answer

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 happens when a sound is reflected?

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29
echo

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30
5 meters

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31
DAILY DOUBLE!!!!

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32
Give the units for the variables used in v l f
33
V m/sl mf hertz

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34
The unit for measuring the loudness of sound

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35
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
FalseSound 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
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.
(slowest)Air, water, wood (fastest)

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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?A)Thunder _at_ 75 hzB) a female soprano
singer _at_2000 hzC) a mans voice _at_ 500 hz

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53
B) a female soprano singer _at_2000 hz

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54
What is the equation you would use to solve for
wavelength of a wave?
Answer
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?

• Answer

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.

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59
2000 m/s

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60
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. If the
length of the wave is 10 m, what is the frequency
of the wave?

• Answer

63
12 hz

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