A black body Student activity Play

A black body Simulation Play

A black body Animation Play

A virtual image in a mirror Animation Play

Aberration Animation Play

Adjusting sharpness Whiteboard exercise Play

An image in a mirror Student activity Play

Characteristic rays Animation Play

Converging and diverging lenses Student activity Play

Converging lens, x > 2f Student activity Play

Development of atomic theory. Radioactivity Class activity Play

Development of atomic theory. Radioactivity Whiteboard presentation Play

Emission of gamma rays Animation Play

Focusing of rays Student activity Play

Focusing of rays Simulation Play

Focusing of rays Whiteboard exercise Play

Images in lenses Student activity Play

Light and the electromagnetic spectrum Student activity Play

Lines, rays and segments Student activity Play

Lines, rays and segments Whiteboard exercise Play

Long-sightedness Animation Play

Sight defects Student activity Play

The defects of lenses Student activity Play

The discovery of positively charged particles Animation Play

The discovery of radioactivity Student activity Play