Science, Friday, June 16

Sound

Watch the first eight minutes of the following video:

Questions:

1) What is sound?

2) What is an oscilloscope?

3) Why is an ear cup-shaped?

4) How much faster does sound travel through metal than air?

5) How are Slinkies perfect for showing how sound waves travel through the air?

6) What is an echo?

7) Explain how our ear works.

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