Sound Energy Quiz

What causes sound energy to be produced?

• The movement of the sun

• A force that causes an object to vibrate

• The speed of light

• Electrical impulses in the brain

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How do sound waves move through a medium?

• By causing vibrations in atoms and sending waves through it

• By creating a vacuum in the space around them

• By moving at the speed of light

• By bouncing off objects

Tags

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What part of the ear funnels sound into the canal where different sounds are perceived?

• The cochlea

• The auditory nerve

• The outer part of the ear

• The vocal cords

What is the role of the cochlea in hearing?

• It vibrates to create sound waves

• It sends vibrations to the brain via the auditory nerve

• It funnels sound into the ear canal

• It translates vibrations into electrical impulses

The ___ cords send vibrations that travel through air particles.

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Why can't sound travel through space?

• Because space is a vacuum with no matter for sound waves to travel through

• Because space is too cold for sound waves

• Because sound waves are too slow to travel in space

• Because there is too much noise in space for sound to be heard

____ hear sounds at a higher frequency than humans.

____ is used by animals to detect danger such as predators.

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____ use sound to detect size, shape and speed of objects by their sound waves bouncing off objects.

Tags

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Sound can't travel through space because there is no matter for sound waves to travel through, this is called ____.

• space sound

• vacuum

• space travel

• barrier