Magnetism and electricity: Identify, describe and apply principles of magnetism
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Subject outcome
Subject outcome 4.1: Identify, describe and apply principles of magnetism.
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Learning outcomes
- Draw and label diagrams showing magnetic field of permanent magnets.
- Describe the effect that poles of permanent magnets have on each other.
- Identify and describe the earth’s magnetic field and declination and the working of a compass.
- Apply magnetic phenomena by induction of the earth’s magnetic field and refer to iron and steel used in building construction.
- Describe magnetic shielding and its purpose.
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Unit 1 outcomes
By the end of this unit you will be able to:
- Draw and label diagrams showing the magnetic field of permanent magnets.
- Describe the effect that poles of permanent magnets have on each other.
![](http://ncvs2.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 2 outcomes
By the end of this unit you will be able to:
- Identify and describe the Earth’s magnetic field.
- Describe magnetic declination.
- Describe the working of a compass.
- Apply magnetic phenomena by induction of the Earth’s magnetic field and refer to iron and steel used in building construction.
![](http://ncvs2.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 3 outcomes
By the end of this unit you will be able to:
- Describe magnetic shielding
- Describe the underlying principles of magnetic shielding
- Describe the purpose of magnetic shielding.