Examples of wasted energy Student activity Play

Eye’s optics Slideshow Play

Factors affecting photosynthesis Class activity Play

Factors affecting photosynthesis Whiteboard exercise Play

Factors affecting photosynthesis Student activity Play

Factors affecting photosynthesis Student activity Play

Factors affecting the absorption of light Animation Play

Features of receptors Slideshow Play

Fermat's Principle Simulation Play

Fermat's Principle Whiteboard exercise Play

Fermat's Principle Student activity Play

Fermat's Principle Simulation Play

Fermat's principle Student activity Play

Fermat's Principle and the law of reflection of light Animation Play

Finding the values of trigonometric functions Whiteboard exercise Play

Fish – jawless; cartilaginous and bony Student activity Play

Fizeau's measurement Student activity Play

Fizeau's measurement Whiteboard exercise Play

Flags in coloured light Simulation Play

Flame tests Student activity Play

Focal point and focal length Animation Play

Focal point of a concave mirror Whiteboard exercise Play

Focal point of a concave mirror Student activity Play

Focal point of a convex mirror Whiteboard exercise Play

Focal point of a convex mirror Student activity Play