Who Melted the Earth

Who Melted the Earth

Assessment

Interactive Video

Science, Geography, Physics, Chemistry

11th Grade - University

Hard

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The video addresses a misconception about Earth's heat, initially attributed to pressure. It clarifies that Earth's heat originated from asteroid collisions and gravitational forces during its formation. The video further explains that current heat sources include the transport of heavy elements and nuclear decay, with uranium, thorium, and potassium being significant contributors. Despite cooling, Earth remains hot due to its massive energy content and insulating crust.

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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