ClassX Video Lessons

Category: Video Lessons

How deep does the ocean go?

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How do you build a bridge that lasts for 100 years?

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What’s it like to be a twin?

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What’s the coldest temperature any animal could survive?

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Are dolphins really one of the smartest animals in the world?

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Why do different places have different times?

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Why are flamingos pink?

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Why don’t islands float away?

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Are butterflies the only animals that start out as caterpillars?

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Where do bugs go in winter?

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