Year 3
How can we see a magnetic field?
In this lesson, we will learn the two ways you can see a magnetic field.
Year 3
How can we see a magnetic field?
In this lesson, we will learn the two ways you can see a magnetic field.
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Lesson details
Key learning points
- Describe how field lines help us to understand the effect of an invisible force
- Use a diagram of field lines to see where the force will be strongest and where it will be weakest
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
In China, what was the name of the stone that was found to have magnetic properties?
Largestone
Loads of stones
Q2.
What is the opposite pole to South?
East
West
Q3.
What would happen if you hold a magnet up to a compass?
The compass will not change
3 Questions
Q1.
Where is the magnetic field strongest around a magnet?
Away from the magnet
Near the north side
Q2.
Where do iron filings fall when scattered over a magnet?
Randomly
They are ONLY attracted to the south end of a magnet
Q3.
What is a 'field' of a force?
A field of grass that has cows in.
An area in which a visible force will act.