Emission of light Student activity Play

Emission of light Animation Play

Emission of light Whiteboard exercise Play

Emission of light Slideshow Play

Emission of nitrogen oxides Animation Play

Emission spectrum Animation Play

Emission spectrum of excited atoms Animation Play

Energy levels Student activity Play

Energy of electromagnetic radiation Student activity Play

Energy of electromagnetic radiation Animation Play

Evolution of the Universe Illustration Play

External photoelectric effect Class activity Play

External photoelectric effect Whiteboard presentation Play

Fermat's Principle Student activity Play

Fossil fuels Student activity Play

Global warming: probable causes and prevention Student activity Play

Health effects of dioxins Slideshow Play

Heat balance Animation Play

Heat exchange by radiation Animation Play

Heat exchange by radiation Animation Play

Heat exchange by radiation Student activity Play

Heat transfer Animation Play

Heat transfer Whiteboard presentation Play

Heat transfer Class activity Play

How is coherent light generated? Student activity Play