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Chapter Summary

Chapter summary

Presentation: VPfjh

  • Magnets have two poles - North and South.

  • Some substances can be easily magnetised.

  • Like poles repel each other and unlike poles attract each other.

  • The Earth also has a magnetic field.

  • A compass can be used to find the magnetic north pole and help us find our direction.

  • The Earth's magnetic field protects us from being bombarded by high energy charged particles which are emitted by the Sun.

  • The Aurorae are an effect of the Earth's magnetic field.