What is the primary function of the outer ear in the hearing process?
Pitch and Volume

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To convert sound waves into electrical signals
To focus vibrations into the middle ear
To protect the inner ear from loud noises
To amplify sound vibrations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is pitch related to frequency?
Lower frequency results in a higher pitch
Higher frequency results in a lower pitch
Frequency does not affect pitch
Higher frequency results in a higher pitch
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to sound waves with longer wavelengths?
They are inaudible to the human ear
They create higher frequency sounds
They create lower frequency sounds
They travel faster than shorter wavelengths
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does volume refer to in terms of sound?
The noise level of a sound
The speed of sound waves
The frequency of sound waves
The pitch of a sound
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the sound experiment with a bowl and plastic wrap, what causes the salt to jump?
The vibrations from hitting the pot
The heat from the pot
The weight of the salt
The air pressure inside the bowl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the amount of water in a glass affect its pitch when struck?
Less water creates a lower pitch
More water creates a higher pitch
The amount of water does not affect pitch
More water creates a lower pitch
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What principle did Benjamin Franklin use to create the glass harmonica?
The principle of sound reflection
The principle of sound amplification
The principle of vibration and pitch
The principle of frequency modulation
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