Nuclear spin in a magnetic field Animation Play

Oersted's discovery Animation Play

Ruler-and-compass constructions Class activity Play

Ruler-and-compass constructions Whiteboard presentation Play

Ruler-and-compass constructions Whiteboard presentation Play

Ruler-and-compass constructions Class activity Play

Ruler-and-compass constructions, locus (1) Class activity Play

Ruler-and-compass constructions, locus (1) Whiteboard presentation Play

Ruler-and-compass constructions, locus (2) Whiteboard presentation Play

Ruler-and-compass constructions, locus (2) Class activity Play

The angles that are multiples of 60° Animation Play

The equation of a circle with centre at the origin Student activity Play

The magnetic field of the Earth Student activity Play

The medieval octagon Animation Play

The perpendicular bisector of a line segment – a reminder Student activity Play

The perpendicular bisectors Simulation Play

The sine rule and construction of a triangle Animation Play

Three tears Animation Play

Trisecting an angle Animation Play

Using a compass Animation Play

Using a ruler and a compass Animation Play

Using the basic constructions Student activity Play

Using the sine rule Student activity Play

What can we do with a ruler and a compass? Simulation Play

What can we do with a ruler and a compass? Student activity Play