Savvas 7th Grade Waves, Sound, and Light Test

1

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

1

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

1

The speed of a wave is its wavelength multiplied by its

1

Electromagnetic waves can transfer energy without a(n)

1

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

1

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

1

An electromagnetic wave consists of

1

How many properties of waves are there?

1

In a longitudinal wave moving along a spring, areas where the coils are farthest apart are
called _______.

1

 The highest point of a transverse wave is called _______ .

1

The more _______  a mechanical wave has, the greater its amplitude. 

1

In the phenomenon known as the _______ effect, electric current will flow when light shines on certain substances.

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The _______ of a wave is the number of waves that pass a given point in a certain amount of time.

1

The _______ model of light describes the behavior of light when it acts as a stream of photons.

1

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

1

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

1

Frequency is measured in units called hertz.

1

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

1

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

1

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

1

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

4

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

1

What kind of wave is being generated?

1

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

1

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

3

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

2

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

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

The speed of a wave is its wavelength multiplied by its

Electromagnetic waves can transfer energy without a(n)

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

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

An electromagnetic wave consists of

How many properties of waves are there?

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

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

Frequency is measured in units called hertz.

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

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

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

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

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

What kind of wave is being generated?

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

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

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

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