1. SOUND and HEARING
Test Practice
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2. Sound is ____________ that you can hear.
bones
speed
vibrations
bounces
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3. What role does energy play in sound?
Sound waves have nothing to do with energy.
Energy is present in loud sounds only.
Energy is present in high-pitched sounds, but not in low- pitched sounds.
Sound waves carry energy.
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4. When sound waves bounce off a surface, it is called a(n)…
vibration
echo
ear canal
frequency
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5. What are sound waves? temperature electricity heat vibrations
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6. Which part of the ear is a membrane that vibrates when sound hits it?
ear drum
cochlea
hammer
ear canal
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7. What are the three tiny bones in the ear called?
hammer, anvil, stirrup
hammer, anvil, wrench
anvil, hammer, cochlea
stirrup, harness, anvil
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8. Which part of the ear turns the sound waves into signals that are sent to the brain?
ear drum
cochlea
outer ear
hammer, anvil, stirrup
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9. What happens when a sound wave enters the brain’s hearing center?
The brain uses the sound wave to help you keep your balance.
It vibrates against the bones of the middle ear.
It sends the sound wave back through the ear canal.
The brain tells you what the sound is and where it’s coming from.
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10. Which part of the ear is the cochlea?B C D B D A C
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11. Which part of the ear is the outer ear?B C D B D A C
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12. Which part of the ear is the hammer, anvil, and stirrup?B C D B D A C
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13. Which part of the ear is the eardrum?B C D B D A C
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14. CORRECT!
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