Ears and Hearing (14)

Overview

Pop Quiz: Ears and Hearing

Question 1

Which of these items has a shape that's similar to one of the bones of the middle ear?

Choices

Wrench, stirrup, hinge, crowbar

Conclusion

The stapes, also known as the "stirrup," is one of three tiny bones that help send sound vibrations from the eardrum to the inner ear.

Question 2

OK, let's try this one. True or false: The "decibel" was named in honor of Alexander Graham Bell.

Conclusion

That's true! The decibel was created by Bell Telephone Laboratories, and they named it for their founder.

Question 3

And finally, what do scientists call unwanted, bothersome sounds in the environment?

Choices

Linear sounds, ruckus waves, noise pollution, z-noise

Conclusion

It's called noise pollution, and it can harm your ears and your overall health. Thanks for playing!

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