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Savvas 7th Grade Waves, Sound, and Light Test

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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

Question 2
2.

The distance between two corresponding parts of a wave is the wave’s

Question 3
3.

The speed of a wave is its wavelength multiplied by its

Question 4
4.

Electromagnetic waves can transfer energy without a(n)

Question 5
5.

Why do you see lightning from a distant storm before you hear thunder ?

Question 6
6.

Mechanical waves are created when a source of energy causes a medium to

Question 7
7.

An electromagnetic wave consists of

Question 8
8.

How many properties of waves are there?

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.

Question 16
16.

The three types of mechanical waves are transverse waves, latitudinal waves, and surface waves.

Question 17
17.

Frequency is measured in units called hertz.

Question 18
18.

Dividing the distance a wave travels by the time it takes to travel that distance gives you the wave's speed

Question 19
19.

The height of a wave's trough depends on its amplitude.

Question 20
20.

Waves that require a medium through which to travel are called electromagnetic waves.

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.