SOUND and HEARING

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