A prism Whiteboard exercise Play

A prism Student activity Play

A ray of laser light Animation Play

A ray of light Whiteboard exercise Play

A ray of light Student activity Play

A source of light Whiteboard exercise Play

A source of light Student activity Play

A virtual image in a mirror Animation Play

Aberration Animation Play

About cells Student activity Play

Absorption of light by transition metal ions Animation Play

Absorption of visible light Animation Play

Absorption of visible light. Colorimetry Whiteboard presentation Play

Absorption of visible light. Colorimetry Class activity Play

Adaptation of photoautotrophs to wavelength of light Illustration Play

Adaptations of plants to light conditions Slideshow Play

Adaptations of predators and prey Illustration Play

Adaptations to life on land Slideshow Play

Adding bulbs to a series circuit Simulation Play

Adding different components Simulation Play

An electric circuit Whiteboard exercise Play

An electric circuit Student activity Play

An image in a mirror Student activity Play

Anecdote Animation Play

Application of infrared light Slideshow Play