ClassX Video Lessons

Category: Video Lessons

Why do animals come back after going warm places in winter?

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Where does metal come from?

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What were the first computers like?

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Why do we have daylight saving time?

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How is gold made?

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Do sharks really want to eat people?

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Can a mountain turn into a volcano?

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Why are so many people scared of bugs?

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How is syrup made?

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What’s the biggest shark that ever lived?

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