A magnetic compass is used where there are no magnets nearby.
The north pole of the compass needle points north.
What does this show?
The compass needle is attracted by the Earth's gravitational field
The Earth has a magnetic field that acts on the compass needle
The compass needle is attracted to any iron that is near the compass
The north pole of a compass needle always points to the nearest pole
44 exam-style questions on OCR GCSE Physics 4.1 Magnets and magnetic fields, covering 4.1.1 Magnetic poles, attraction and repulsion, 4.1.2 Permanent and induced magnets, 4.1.3 The magnetic field of a magnet, 4.1.4 Compasses and the Earth's magnetic field, 4.1.5 The magnetic field around a current-carrying wire, 4.1.6 Field strength, current and distance, and 4.1.7 Solenoids and electromagnets. Each one has a worked solution and a mark scheme showing where the marks go.