Sound – Notes



Sound – Notes

1. What is sound?

2. What types of mediums can sound waves travel through?

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3. What 3 factors affect the speed of sound?

❑ elasticity

❑ density

❑ temperature

4. What are the 2 properties of sound?

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5. Loudness is affected by 2 factors:

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6. What is a decibel (dB)?

7. What is pitch?

8. What is normal hearing range for humans?

9. What is ultrasound? Infrasound?

10. What is the Doppler Effect and give an example.

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