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Hi, I'm Grant with Kid Science News Network.

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Doesn't this look fun?

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Do you wonder why astronauts float inside the space shuttle?

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They're not really floating, but falling.

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Astronauts are falling towards the Earth and feel almost weightless.

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This is called free fall.

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It's the same feeling you get when you travel in an elevator that starts to go down really fast.

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You feel like you're weightless for an instant because you and the elevator are falling together.

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To find out more, visit our website.

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Until next time, I'm Grant with Kid Science News Network.