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SOUND and HEARING

SOUND and HEARING. Test Practice. GET STARTED!. Sound is ____________ that you can hear. bones speed vibrations bounces. Go to the next question. What role does energy play in sound?. Sound waves have nothing to do with energy. Energy is present in loud sounds only.

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SOUND and HEARING

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  1. SOUND and HEARING Test Practice GET STARTED!

  2. Sound is ____________ that you can hear. • bones • speed • vibrations • bounces Go to the next question

  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. Go to the next question

  4. When sound waves bounce off a surface, it is called a(n)… • vibration • echo • ear canal • frequency Go to the next question

  5. What are sound waves? • temperature • electricity • heat • vibrations Go to the next question

  6. Which part of the ear is a membrane that vibrates when sound hits it? • ear drum • cochlea • hammer • ear canal Go to the next question

  7. What are the three tiny bones in the ear called? • hammer, anvil, stirrup • hammer, anvil, wrench • anvil, hammer, cochlea • stirrup, harness, anvil Go to the next question

  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 Go to the next question

  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. Go to the next question

  10. Which part of the ear is the cochlea? • A • B • C • D B D A C Go to the next question

  11. Which part of the ear is the outer ear? • A • B • C • D B D A C Go to the next question

  12. Which part of the ear is the hammer, anvil, and stirrup? • A • B • C • D B D A C Go to the next question

  13. Which part of the ear is the eardrum? • A • B • C • D B D A C You’re done! Click here to start over.

  14. CORRECT! Go back to the question

  15. Go back to the question

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