ClassX Video Lessons Grade Grade 9

Category: Grade 9

What causes economic bubbles? – Prateek Singh

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Sunlight is way older than you think – Sten Odenwald

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The complex geometry of Islamic design – Eric Broug

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Mansa Musa, one of the wealthiest people who ever lived – Jessica Smith

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How batteries work – Adam Jacobson

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The battle of the Greek tragedies – Melanie Sirof

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How plants tell time – Dasha Savage

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How to make a mummy – Len Bloch

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The incredible history of China’s terracotta warriors – Megan Campisi and Pen-Pen Chen

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History vs. Genghis Khan – Alex Gendler

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