Which of these factors affects how fast a sound wave moves?

the kind of material it is moving through

the amplitude of the sound wave's vibrations

the wavelength of the disturbance in the medium

the type of motion that caused the sound wave to form

Which of the following statements is true:

hard surfaces reflect more sound

hard surfaces absorb more sound

soft surfaces reflect more sound

A dog trainer uses a whistle to call her dogs. The noise is heard by the dogs but not heard by the girl. Which statement best describes why humans cannot hear the dog whistle?

the frequency of the sound is too high

the speed of the sound is too fast

the amplitude of the sound is too low

the wavelength of the sound is too long

What part of the waves are labeled X and Y?

X represents the compressions; Y represents the rarefactions

X represents the rarefaction; Y represents the compressions

X represents the compressions; Y represents the wavelength

X represents the rarefactions; Y represents the wavelength

Which is one way sound waves are different from light waves?

Sound waves travel at a slower speed than light waves.

Sound waves travels through space but light waves cannot.

Sound waves have shorter wavelengths than light waves.

Sound waves are a source of energy but light waves are not.

Which is true about the relationship between light and the electromagnetic spectrum?

Visible light is only part of the electromagnetic spectrum that can be detected by the human eye.

Visible light travels slower than the rest of the electromagnetic spectrum.

Visible light has more energy than the rest of the electromagnetic spectrum.

Visible light is the only part of the electromagnetic spectrum that can travel through space.

According to the table above, the speed of sound through air increases as the:

temperature of the air increases

loudness of the sound increases

What are the 3 tiny bones of the middle ear responsible for?

They vibrate the fluid inside the cochlea.

They vibrate the hairs of the auditory nerve.

They vibrate the the fluid in the pinna.

They vibrate fluid in the ear drum.

Waves Unit Review

Authored by Emily Inman

Other, Physics

6th - 8th Grade

Used 128+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Waves that need a medium to travel through are called __________ waves.

mechanical

electromagnetic

light

UV light

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Any disturbance that transfers energy through matter or space.

Energy

Matter

Wave

Gas

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Waves are created when a source creates a ____________.

Waves

Energy

Sound

Vibration

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Waves only carry __________ not matter.

matter

energy

waves

objects

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Waves in which the particles vibrate in an up and down motion (ex: light waves).

transverse

longitudinal

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The matter through which a wave travels is called a _________.

matter

energy

vibrations

medium

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The distance between 2 crests or 2 troughs:

amplitude

frequency

wavelength

wave speed

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Waves Unit Review

Waves that need a medium to travel through are called __________ waves.

Any disturbance that transfers energy through matter or space.

Waves are created when a source creates a ____________.

Waves only carry __________ not matter.

Waves in which the particles vibrate in an up and down motion (ex: light waves).

The matter through which a wave travels is called a _________.

The distance between 2 crests or 2 troughs:

Amplitude is:

Shorter wave length= ________ energy

This happens when a wave bounces after hitting a barrier.

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