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5 cards from this section. Quick, good the night before a test.
What is sound?
Think about how you hear things around you.
Can sound travel in a vacuum?
Consider how sound travels through different materials.
What is the unit of frequency?
Frequency is related to how often something oscillates.
True or False: Sound can travel through a vacuum.
Think about how we hear sound in different environments.
If a piano string vibrates with a frequency of 440 Hz, what is the time period of vibration?
Remember the formula for time period in relation to frequency.
John is exposed to a sound level of 85 dB. What are possible health implications they might face?
Recall the health effects of noise pollution discussed in class.
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