The Earth's Magnetic Field Simplified Revision Notes for GCSE AQA Physics Combined Science

Revision notes with simplified explanations to understand The Earth's Magnetic Field quickly and effectively.

Learn about Permanent & Induced Magnetism, Magnetic Forces & Fields for your GCSE Physics Combined Science Exam. This Revision Note includes a summary of Permanent & Induced Magnetism, Magnetic Forces & Fields for easy recall in your Physics Combined Science exam

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7.1.4 The Earth's Magnetic Field

The Earth's Core - key facts:

The core is magnetic and creates a large magnetic field around the Earth
Freely suspended magnetic compasses align with the Earth's field lines and point North
Does not point to the Geographic North Pole – it is over North Canada
Compass as a suspended Bar Magnet
- Compass's north pole lines up with Earth's 'North pole'
- This cannot be correct as like poles repel
- Thus, Earth's magnetic pole above Canada is a magnetic South Pole
- The geographic south pole is close to the Magnetic North Pole

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