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Newsela is an Instructional Content Platform that supercharges reading engagement and learning in every subject.

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Newsela | You found my submarine! Modern technologies listen to the deep

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Newsela | Musicians in aquariums make sounds in a silent world

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Unlike animals, humans can use their voice to speak and sing.

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Newsela | The three things you need to make sound

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Sound happens when something vibrates, travels through something and is heard.

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Sound waves travel through air at about 1,088 feet (332 meters) per second.