Brain Pop Hearing

How are sound waves like ripples in a pond?

• They are both types of electromagnetic radiation

• They travel faster in water than air

• They radiate outward from a center point

• They have the same wavelength

A supersonic aircraft travels faster than the speed of sound. What might be the top speed of such an aircraft?

• 200km/h

• 500 km/h

• 1000 km/h

• 1500 km/h

What is the function of the ridges on your outer ear?

• To prevent germs from entering your middle ear

• They direct sound into your middle ear

• They prevent loud noises from damaging your inner ear

• They filter out high and low frequency sounds

How is your eardrum like a real drum?

• It produces sound

• It vibrates

• It is frequently struck by the bones in your middle ear

• it is hollow

What is unique about the hammer, stirrup, and anvil?

• They are the smallest bones in your body

• They are the only bones that move

• They are the only bones located in your head

• They are the only bones that cannot be broken

If your inner ear lacked nerve fibers, what might happen?

• Sound would be unable to travel to your brain

• Your ear drum would not be able to vibrate

• Your hammer could not tap against your anvil

• Sound waves could not enter your ear

Place the following events in sequence: A) Your eardrum begins vibrating; B) Electrical impulses travel along nerve fibers; C) The hammer, anvil, and stirrup begin moving

• B, C, A

• A,B,C

• B,A,C

• A,C,B

Deafness is to sign language as blindness is to:

• The inablioty to speak

• The Braille Alphabet

• Eyeglasses

• A cane

Which word best describes the auditory canal?

• Filled with water

• Hollow

• Lined with sensitive nerves

• Vibrating

Which of the following is a true statement about cats?

• They can hear softer sounds than humans

• Their ears are much larger than humans

• They can hear a wider range of sound

• They communicate with one another with sounds that humans cannot hear.