Focusing of rays Student activity Play

Free-end reflection Simulation Play

Free-end reflection Student activity Play

Frieze patterns Whiteboard exercise Play

Frieze patterns Student activity Play

Frieze patterns transformations Animation Play

Gases Animation Play

Gases Student activity Play

Gene linkage – a wrong theory? Student activity Play

Generating patterns Whiteboard exercise Play

Graphs of trigonometric functions Whiteboard presentation Play

Graphs of trigonometric functions Class activity Play

Gravitational acceleration, the shape of the Earth and its rotational motion Whiteboard exercise Play

Heat loss due to the shape of a house and the windows size Simulation Play

Heat loss due to the shape of a house and the windows size Student activity Play

Heat loss due to the shape of a house and the windows size Whiteboard exercise Play

How do we enlarge the shape? Animation Play

How do we enlarge the shape? Animation Play

How do we scale a shape? Animation Play

How humans shape the natural environment Whiteboard exercise Play

How humans shape the natural environment Student activity Play

How many bricks? Student activity Play

How many bricks? Whiteboard exercise Play

How to construct 'Yin Yang' Animation Play

Huygens' Principle Student activity Play