Order of filling of the shells by electrons Animation Play

Organism's adaptation to long-time effort Slideshow Play

Other forms of energy Whiteboard exercise Play

Other forms of energy Student activity Play

Other forms of energy transmission Slideshow Play

Other sources of energy Slideshow Play

Other sources of energy in the environment Student activity Play

Other sources of energy in the environment Whiteboard exercise Play

Other types of energy Student activity Play

Other types of energy Whiteboard exercise Play

Oxidation of glucose in a cell Animation Play

Oxygen dissociation curves for haemoglobin at different partial pressures of CO2 Whiteboard exercise Play

Oxygen dissociation curves for haemoglobin at different pH Whiteboard exercise Play

Pendulum Animation Play

Permeability and absorption of X-rays Student activity Play

Petrol combustion Animation Play

pH calculations Animation Play

pH of ammonia solution Animation Play

pH of buffer solutions Student activity Play

pH of salts of weak acids and weak bases Simulation Play

pH of strong acids Student activity Play

pH of strong bases Student activity Play

pH range for colour change of an indicator Animation Play

Photoelectric effect and Einstein Student activity Play

Photons Student activity Play