Reflection, Transmission, Absorption
Pitch and Volume
Sound Energy
Hearing Loss
Parts of the Ear
100
What occurs when sound waves strike and bounce off a surface?
What is reflection.
100
A police car's siren changes in frequency as the car travels away. What happens to the sound's frequency?
What is it decreases.
100
In a large stadium, when a batter hits the ball, people high up in the stands hear the crack of the bat a second after it happens because...
What is sound takes that much time to reach them.
100
John listens to his MP-3 player 3-4 hours each day with the volume turned all the way up. A physical result of continuing this activity is?
What is permanent loss of hearing.
100
Damage to the anvil and stirrup in humans can result in...
What is hearing loss.
200
How does cupping your hand around your ear help you hear?
What is the hand reflects sound into the ear.
200
What determines the pitch of a sound wave?
What is frequency.
200
In which medium will sound travel the fastest?
What is a solid.
200
Long term exposure to sounds may result in hearing loss. What is a way to help prevent hearing loss?
What is lowering the volume on a stereo.
200
Damage to the hair cells in what part of the ear can cause deafness?
What is the cochlea?
300
Research ships use sound waves to find objects underwater. What happens to the sound waves when they are emitted from the ship?
What is they reflect off of objects in the water.
300
If a sound is very loud, what must be true?
What is the intensity (amplitude) from the sound wave is very high.
300
A sound wave is traveling through a medium. The intensity of the sound is most affected by the ...
What is the material of the medium.
300
Name 3 different causes of hearing loss.
What is medicine, loud noises, injury, etc.
300
Which part of the ear has tiny hairs that are most often damaged by exposure to loud noises?
What is the cochlea.
400
A sound that is reflected is called...
What is an echo.
400
What characteristic of a sound wave affects volume?
What is amplitude.
400
In what medium does sound travel the slowest?
What is air.
400
Placing something in your ear that is smaller than your elbow may injure what part of your ear?
What is the eardrum.
400
What is the name of the part of the ear that connects to the throat and drains fluids?
What is the eustachian tube.
500
Placing your ear to the wall allows you to hear sounds from the next room more easily. This is because...
What is sound travels faster through solids than air.
500
Complete the statement: The higher the intensity of vibration, the ...
What is the louder the sound.
500
Which statement about sound is true?
What is a muffled sound is an example of absorption.
500
Audiotoxic chemicals used in medicines may damage what part of the ear?
What is the auditory nerve.
500
Name the three bones of the ear.
What is malleus, incus, stapes.
M
e
n
u