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Biblioteka

Savvas 7th Grade Waves, Sound, and Light Test

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Posljednje ažuriranje almost 3 years ago
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Pitanje 1
1.

The maximum distance that the particles of a medium move from the rest position is the

Pitanje 2
2.

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

Pitanje 3
3.

The speed of a wave is its wavelength multiplied by its

Pitanje 4
4.

Electromagnetic waves can transfer energy without a(n)

Pitanje 5
5.

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

Pitanje 6
6.

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

Pitanje 7
7.

An electromagnetic wave consists of

Pitanje 8
8.

How many properties of waves are there?

Pitanje 9
9.
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10.
Pitanje 11
11.
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12.
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13.
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14.
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15.

Energy transferred from electromagnetic waves through matter and space is called electromagnetic radiation.

Pitanje 16
16.

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

Pitanje 17
17.

Frequency is measured in units called hertz.

Pitanje 18
18.

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

Pitanje 19
19.

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

Pitanje 20
20.

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

Pitanje 21
21.

What type of mechanical wave is produced by the action of this coiled spring?

Pitanje 22
22.

Name and describe the parts of the wave labeled A and B.

Pitanje 23
23.

What kind of wave is being generated?

Pitanje 24
24.

Look at diagram above. In what direction does the medium move relative to the direction of the wave? Explain.

Pitanje 25
25.

Look at diagram above. What does the person transfer to the rope by pulling it up and down at point A?

Pitanje 26
26.

Compare and contrast the motions of ocean waves with the motions of longitudinal and transverse waves.

Pitanje 27
27.

Compare how polarized light is different from non-polarized light.