27.2
Magnetic fields
The invisible field around a magnet: iron filings, plotting compasses and field lines.
27.4
Electromagnets and motors
Magnets made with electricity, making them stronger, what they're used for, and how motors turn.
Daily 5
Five quick diagram questions a day from this unit. The ones you get wrong come back sooner. Progress saves in this browser.
What this unit covers
Mapped to the KS3 national curriculum (Physics: magnetism).
| Programme of study | Lesson |
|---|---|
| magnetic poles, attraction and repulsion | 27.1 |
| magnetic fields by plotting with compass, representation by field lines | 27.2 |
| Earth's magnetism, compass and navigation | 27.3 |
| the magnetic effect of a current, electromagnets, D.C. motors (principles only) | 27.4 |
| non-contact forces: forces between magnets | 27.1, 27.2 |