Khan Academy

Compass: Which way is north? (K-A)

3D magnet with field (K-A)

Discovery of magnetism-video (K-A)

Discovery of magnetic fields-video (K-A)

Floating magnet (K-A)

Increase strength of magnet (K-A)

Magnetising materials (K-A)

Magnet and iron filings (K-A)

Neutralize a compass (K-A)

Magnet near compass (K-A)

Are 2 magnets stronger than 1? (K-A)

Magnetic field (K-A)

Earth's magnetic field (how to measure) (K-A)

Magnetic permeability (K-A)

Force over distance (K-A)

Tracing a magnetic field (K-A)

Inverse cube law (deflection method) (K-A)

Tracing a magnetic field-video (K-A)

Inverse cube law (method of oscillation) (K-A)

Battery meter (galvanometer)-video (K-A)

Electrode (distance test) (K-A)

Inverse Cube Relationship (K-A)

Electrode (surface area test) (K-A)

Measure the Earth's field! (K-A)

Electrolyte (salt test) (K-A)