Fixed-end reflection Simulation Play

Fixed-end reflection Student activity Play

Focal length and the shape of a lens Whiteboard exercise Play

Focal length and the shape of a lens Student activity Play

Focal length and the shape of a lens Simulation Play

Focusing of rays Student activity Play

Focusing of rays Simulation Play

Fractions with the same denominator Animation Play

Fractions with the same denominators Student activity Play

Fractions with the same denominators Whiteboard exercise Play

Fractions with the same numerators Student activity Play

Fractions with the same numerators Animation 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 Student activity Play

Gases Animation Play

Gene linkage – a wrong theory? Student activity Play

Generating patterns Whiteboard exercise Play

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

Grouping expressions that give the same value Whiteboard exercise Play

Halogen ions and noble gas with the same number of electrons Whiteboard exercise Play

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