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3 cards from this section. Quick, good the night before a test.
What produces sound?
Think about how musical instruments create sound.
Which travels faster, sound in air or in water?
Consider how sound travels through different mediums.
What is the unit of measurement for frequency?
Think of how we often hear frequency mentioned before anything else.
True or False: Sound can travel through a vacuum.
Consider why space is silent.
If sound travels through air at 343 m/s and through water at 1500 m/s, calculate how much faster sound travels in water compared to air!
Use division to find the ratio of speeds.
Describe how sound varies in frequency across musical instruments. Why do different instruments sound unique even when playing the same pitch?
Think about the violin's body compared to a flute.
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