ClassX Video Lessons Grade Grade 7

Category: Grade 7

Why do your knuckles pop? – Eleanor Nelsen

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How much of human history is on the bottom of the ocean? – Peter Campbell

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The fish that walk on land – Noah R. Bressman

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Can you solve the vampire hunter riddle? – Dan Finkel

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The science of spiciness – Rose Eveleth

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A 3-minute guide to the Bill of Rights – Belinda Stutzman

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The Irish myth of Diarmuid’s betrayal – Iseult Gillespie

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Meet the tardigrade, the toughest animal on Earth – Thomas Boothby

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Can you solve the passcode riddle? – Ganesh Pai

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Why are sloths so slow? – Kenny Coogan

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