Enlargement Student activity Play

Enlargement Whiteboard exercise Play

Enlargement of the shapes Simulation Play

Enlargement – the basic property Student activity Play

Enlargements in the coordinate system Whiteboard exercise Play

Enlargements in the coordinate system Student activity Play

Enlarging the right-angled triangle Simulation Play

Enlarging the right-angled triangle – the basic property Simulation Play

Enlarging the square Simulation Play

Enlarging the square – the basic property Simulation Play

Environmental variation of the arrowhead Animation Play

Erythrocytes – red discs Student activity Play

Factors affecting dispersion forces Student activity Play

Factors affecting particles Student activity Play

Factors affecting particles Animation Play

First steps in microbiology Student activity Play

Fixed-end reflection Simulation Play

Fixed-end reflection Student activity Play

Focal length and the shape of a lens Simulation Play

Focal length and the shape of a lens Student activity Play

Focal length and the shape of a lens Whiteboard exercise Play

Focal point and focal length Animation Play

Focal point of a concave mirror Whiteboard exercise Play

Focal point of a concave mirror Student activity Play

Focusing of rays Simulation Play