Optical principles of the light microscope Animation Play

Optics of the eye Student activity Play

Orbits of electrons Animation Play

Other applications of neutralisation Student activity Play

Other applications of neutralisation Whiteboard exercise Play

Overhead projector Animation Play

Ozone hole: measures to prevent expansion Whiteboard exercise Play

Ozone hole: measures to prevent expansion Student activity Play

Particles or waves? Animation Play

Particles or waves? Student activity Play

Particles or waves? Whiteboard exercise Play

Parts of the light microscope Whiteboard exercise Play

Passage time Whiteboard exercise Play

Penumbra Animation Play

Phase-contrast light path Animation Play

Phases of photosynthesis – the light phase Illustration Play

Photoelectric effect and Einstein Student activity Play

Photonastic movement Animation Play

Photons Whiteboard exercise Play

Photons Student activity Play

Photons and electrons Whiteboard exercise Play

Photons and electrons Student activity Play

Photons emission Animation Play

Photosynthesis Student activity Play

Photosynthesis Animation Play