Defining half-planes – a simple case Student activity Play

Defining points on the plane using vectors Animation Play

Density, compressibility, shape and volume Animation Play

Deriving the formula for the surface area of a sphere Animation Play

Describing position in a plane Whiteboard exercise Play

Describing regions on the plane using inequalities Whiteboard exercise Play

Different angles Student activity Play

Diffuse reflection Student activity Play

Divide a plane into half-planes Student activity Play

Dividing a plane into half-planes Whiteboard exercise Play

Dividing a plane into half-planes Whiteboard exercise Play

Division of the plane with respect to a function graph Student activity Play

Division of the plane with respect to a function graphs Whiteboard exercise Play

Double cone and a plane Animation Play

Effect of concentration on the reaction rate. Rate equation Class activity Play

Effect of concentration on the reaction rate. Rate equation Whiteboard presentation Play

Emission of light Animation Play

Energy of rotational motion Whiteboard presentation Play

Energy of rotational motion Class activity Play

Energy, power and intensity of a wave Student activity Play

Energy, power and intensity of a wave Whiteboard exercise Play

Enlargement on the plane Animation Play

Enlargements in the coordinate system Student activity Play

Excursion to the cinema Animation Play

Fermat's Principle Simulation Play