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Savvas 7th Grade Waves, Sound, and Light Test
By Jennifer Potter
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Last updated over 2 years ago
27 questions
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Question 1
1.
The maximum distance that the particles of a medium move from the rest position is the
amplitude of the wave
wave length of the wave
frequency of the wave
speed of the wave
Question 2
2.
The distance between two corresponding parts of a wave is the wave’s
amplitude
wavelength
frequency
speed
Question 3
3.
The speed of a wave is its wavelength multiplied by its
amplitude
vibration
frequency
reflection
Question 4
4.
Electromagnetic waves can transfer energy without a(n)
medium
electric field
magnetic field
change in either a magnetic or an electric field
Question 5
5.
Why do you see lightning from a distant storm before you hear thunder ?
The thunder is produced after the lightning.
Your eyes react faster than your ears.
Light travels faster than sound.
Sound travels faster than light.
Question 6
6.
Mechanical waves are created when a source of energy causes a medium to
move
compress
expand
vibrate
Question 7
7.
An electromagnetic wave consists of
AM and FM waves
electrons and protons
electric and magnetic fields
particles of a medium
Question 8
8.
How many properties of waves are there?
1
2
3
4
Question 9
9.
In a longitudinal wave moving along a spring, areas where the coils are farthest apart are
called _______.
Question 10
10.
The highest point of a transverse wave is called _______ .
Question 11
11.
The more _______ a mechanical wave has, the greater its amplitude.
Question 12
12.
In the phenomenon known as the _______ effect, electric current will flow when light shines on certain substances.
Question 13
13.
The _______ of a wave is the number of waves that pass a given point in a certain amount of time.
Question 14
14.
The _______ model of light describes the behavior of light when it acts as a stream of photons.
Question 15
15.
Energy transferred from electromagnetic waves through matter and space is called electromagnetic radiation.
True
False
Question 16
16.
The three types of mechanical waves are transverse waves, latitudinal waves, and surface waves.
True
False
Question 17
17.
Frequency is measured in units called hertz.
True
False
Question 18
18.
Dividing the distance a wave travels by the time it takes to travel that distance gives you the wave's speed
True
False
Question 19
19.
The height of a wave's trough depends on its amplitude.
True
False
Question 20
20.
Waves that require a medium through which to travel are called electromagnetic waves.
True
False
Question 21
21.
What type of mechanical wave is produced by the action of this coiled spring?
Question 22
22.
Name and describe the parts of the wave labeled A and B.
Question 23
23.
What kind of wave is being generated?
Question 24
24.
Look at diagram above. In what direction does the medium move relative to the direction of the wave? Explain.
Question 25
25.
Look at diagram above. What does the person transfer to the rope by pulling it up and down at point A?
Question 26
26.
Compare and contrast the motions of ocean waves with the motions of longitudinal and transverse waves.
Question 27
27.
Compare how polarized light is different from non-polarized light.