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4 cards from this section. Quick, good the night before a test.
What is the frequency range of human hearing?
Think about the lowest and highest pitches you can hear.
What unit measures sound loudness?
It starts with a 'D' and is related to intensity.
What is the speed of sound in air?
It's slower than in liquids.
True or False: Dolphins can hear higher frequencies than humans.
Think about how well they adapt to their underwater environment.
Discuss the impact of temperature on the speed of sound in air and provide a detailed explanation.
Consider how a hot day feels different when talking.
Design an experiment to measure sound speed in a typical classroom. What materials would you need, and what steps would you take?
Think back to echoes and how they can be used.
5 more questions in this section. Enroll free to practise them all.
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