Entropy and spontaneous changes Student activity Play

Entropy change in the surroundings Animation Play

External photoelectric effect Class activity Play

External photoelectric effect Whiteboard presentation Play

Fermat's Principle Student activity Play

Fossil fuels Student activity Play

Free energy change Student activity Play

Free energy change and the solubility of ionic compounds Student activity Play

Global warming: probable causes and prevention Student activity Play

Health effects of dioxins Slideshow Play

Heat balance Animation Play

Heat transfer Class activity Play

Heat transfer Animation Play

Heat transfer Whiteboard presentation Play

How is coherent light generated? Student activity Play

How to determine specific heat Student activity Play

How to determine specific heat Whiteboard exercise Play

Infrared radiation Student activity Play

Is the synthesis of ammonia spontaneous? Animation Play

Laser Animation Play

Light and the electromagnetic spectrum Student activity Play

Light emission by dinoflagellates Illustration Play

Light emission in semiconductors Animation Play

Light emission in semiconductors Student activity Play

Light emission in semiconductors Whiteboard exercise Play