Mon Prof Augmenté
Earth’s Magnetic Core
Earth has a hot metal core with a solid center and a swirling liquid layer around it. This moving metal gives Earth a magnetic field that turns a compass needle toward the north.
This picture is part of the full library
Every lesson is open to everyone for 7 days after it is published. This one came out on September 12, 2026: its text stays readable here, and its picture opens with a subscription.
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Age 12: open this week
Browse Age 12
In the picture
- Glowing solid inner core at the center.
- Swirling liquid metal layer around the inner core.
- Tilted bar magnet inside the globe.
- Compass needle on the surface.
Examples
- A hiking compass pointing north.
- A phone map arrow showing direction.
Key takeaways
- Earth’s core is mostly iron.
- A compass needle lines up with Earth’s magnetic field.
Carry on in the app
Three questions on this lesson. It has left the free week, so its quiz is for subscribers.
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
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