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Molten Young Earth
Age 9 · Science
The young Earth was a hot, glowing ball of rock. Impacts and heat from inside kept its surface molten for a very long time.
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Age 9: open this week
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In the picture
- Glowing molten rock in a surface crack: heat escaping from inside the young Earth.
- A rocky body hitting the surface: an impact that adds heat.
- A wide molten pool: surface rock kept liquid by heat.
Examples
- Rubbing your hands together makes them warm.
- A pot on a hot stove stays hot.
Key takeaways
- The young Earth was hit by many space rocks.
- Heat inside the Earth and heat from impacts kept its surface molten.
Quiz: Molten Young Earth (Age 9)
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What kept the young Earth’s surface molten for a very long time?
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What does a rocky body hitting the young Earth’s surface do?
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What did the young Earth look like a very long time ago?
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