The dark and light phases – summary Whiteboard exercise Play

The dark phase is independent of light Student activity Play

The defects of lenses Student activity Play

The defects of lenses Whiteboard exercise Play

The derivation of Snell's Law Animation Play

The developing of film Animation Play

The discovery of the light microscope Slideshow Play

The discovery of X-rays Student activity Play

The division of electromagnetic waves Chart Play

The division of electromagnetic waves Student activity Play

The division of electromagnetic waves Whiteboard exercise Play

The early measurements of the speed of light Illustration Play

The eclipses of Io Animation Play

The effects of external factors on the rate of transpiration Student activity Play

The electromagnetic spectrum Student activity Play

The electromagnetic spectrum Animation Play

The electron microscope Student activity Play

The emission of light Animation Play

The energy of a cell Animation Play

The energy of a cell Student activity Play

The equation for photosynthesis Whiteboard exercise Play

The equation for photosynthesis Student activity Play

The fastest information transfer Student activity Play

The importance of water in photosynthesis - experiment Illustration Play

The instruments used for observation of the sky Slideshow Play