A black body Simulation Play

A black body Animation Play

A black body Student activity Play

A diagram of the formation of carbon-14 and its cycle in the atmosphere Illustration Play

A transistor as an amplifier of electrical signals Animation Play

A virtual image in a mirror Animation Play

Aberration Animation Play

Actinium series Chart Play

Actinium series Illustration Play

Adjusting sharpness Whiteboard exercise Play

Alfa, beta and gama-amino acids Animation Play

Alpha, beta and gamma radiation Animation Play

An image in a mirror Student activity Play

Beta decay Animation Play

Beta radiation Animation Play

C-14 carbon dating Animation Play

Characteristic rays Animation Play

Characteristics of radiation Whiteboard exercise Play

Chemical structure of carbohydrates Whiteboard exercise Play

Converging and diverging lenses Student activity Play

Converging lens, x > 2f Student activity Play

Dating of rocks Student activity Play

Dating of rocks Whiteboard exercise Play

Decay reaction Whiteboard exercise Play

Decay series and half-life Student activity Play