Sound

Which tiny bone is attached to the eardrum? (Hint: We hope you “nail” this one)

• Malleus (hammer)

• Incus (anvil)

• Stapes (stirrup)

What separates the outer ear from the middle ear?

• Auricle

• The ear wall

• Eardrum

• Cochlea

The border between the middle and inner ear is formed by

• Incus

• Oval window

• Pinna

• tympanic membrane

What part of your ear allows the ‘popping’ that happens when you fly?

• Liberty tube

• Eustachian tube

• Auditory nerve

• Cochlear tube

Sound is caused by? 

• force

• vibrations

• instruments

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What is frequency?

• the number of vibrations per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

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Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.

• Sound does not travel faster through a solid than a gas.

• Solid molecules are packed tightly.

• Gas molecules move slowly.

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NGSS.MS-PS4-2

An object that does not vibrate cannot produce

• sound

• light

• heat

• electricity

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Sound travels FASTEST through which of these materials?

• Air

• Empty space

• Metal

• Water

Sound is a form of? 

• energy

• pitch

• volume

Tags

NGSS.MS-PS4-1

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