
Understanding the Ear: Structure and Function

Interactive Video
•
Biology
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the pinna in the outer ear?
To balance air pressure in the ear
To amplify sound waves
To transmit electrical signals to the brain
To collect and direct sound waves into the auditory canal
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the ear is responsible for vibrating in response to sound waves?
Eardrum
Cochlea
Auditory canal
Semicircular canals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the three small bones in the middle ear?
To produce sound waves
To equalize pressure in the ear
To transmit sound vibrations from the eardrum to the cochlea
To detect head movements
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of the cochlea, and what is its primary function?
Triangular; to detect head movements
Circular; to balance air pressure
Spiral; to convert sound vibrations into electrical signals
Rectangular; to amplify sound
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the hair-like structures in the cochlea contribute to hearing?
They convert sound vibrations into electrical impulses
They amplify sound waves
They balance air pressure
They detect head movements
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the semicircular canals in the inner ear?
To balance air pressure
To convert sound vibrations into electrical signals
To detect sound waves
To sense head movements and maintain balance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the semicircular canals help in maintaining balance?
By amplifying sound waves
By detecting head movements through fluid motion
By converting sound vibrations into electrical signals
By equalizing ear pressure
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