Earth's magnetic field
What Earth's magnetic field means in Combined Science GCSE, as defined for AQA.
Definitions of Earth's magnetic field
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Reference: AQA
Produced as though a giant bar magnet is inside the Earth, exerting a turning force on a compass needle so it aligns with the local field line.
The field of the Earth itself, so that a freely pivoted magnet aligns with it and the compass needle points in its direction.
Topics that use Earth's magnetic field
- Magnetic fields (AQA GCSE)
Related terms
- Alignment of a freely suspended magnet
- Attraction and repulsion
- Field line direction
- Field lines
- Field strength
- Field strength and distance
- Induced magnetism
- magnetic compass
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