A pencil in the water Simulation Play

Application of LED diodes Student activity Play

Colour Class activity Play

Comparison of properties of metals and non-metals Whiteboard exercise Play

Conduction of heat Student activity Play

Convection of heat Student activity Play

Display devices Simulation Play

Display devices Whiteboard exercise Play

Display devices Student activity Play

Examples of luminous objects Slideshow Play

Examples of wasted energy Student activity Play

Half-planes in the Cartesian coordinate system Student activity Play

How light travels Student activity Play

How light travels Illustration Play

LED diode (light-emitting diode) Whiteboard exercise Play

LED diode (light-emitting diode) Student activity Play

LED diode (light-emitting diode) Animation Play

Length of pencils Animation Play

Light and current Class activity Play

Light and current Class activity Play

Light and current Whiteboard presentation Play

Light and current Whiteboard presentation Play

Light emitting diode – LED Student activity Play

Light emitting diode – LED Whiteboard exercise Play

Refraction diagram of Perspex Whiteboard exercise Play