Sound

Sound waves are caused by

• Vibrations

• Microphones

• The inner ear

• Magic

Sound waves travel through

• Space

• Matter

Tags

NGSS.MS-PS4-1

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Which two things turn sound waves into electrical signals?

• Speakers

• Microphones

• Your ear

• Phonographs

Microphones turn sound waves into

• Music

• Other sound waves

• Electrical signals

• Magnets

What can turn electrical signals into sound waves?

• Speakers

• Vibrations

• Microphones

• Your ear

The outermost part of the ear is called

• The outer ear

• The inner ear

• The ear drum

• The cochlea

Your ear converts _________ into _________

• sound waves into electrical signals

• electrical signals into sound waves

Magnets are used in both microphones AND speakers

• True

• False

You can hear sounds in space

• True

• False

Sound files on a computer usually just show what part of sound?

• Volume

• Pitch

• Quality

• Vibrations