What exactly is sound?
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What is an anechoic room?
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Do you think you would survive in an anechoic room?
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How does a cactus keep predators away?
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How does sound get inside your ear?
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What is the auditory cortex?
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Can you hear sounds in space?
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What does supersonic mean?
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What was the loudest sound ever?
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What is the relationship between the size of an animal and the pitch of the animal?
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Where do sound waves go?
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Why is it harder for humans to hear underwater?
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Can a sound kill you?
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