Polarisation by refraction Student activity Play

Populations and possible sampling frames Whiteboard exercise Play

Preparing a sampling process Student activity Play

Principle of superposition Simulation Play

Principle of superposition Student activity Play

Probability of different events Whiteboard exercise Play

Probability of the sum of two events Student activity Play

Proportion – introduction Student activity Play

Quadratic function (1) Class activity Play

Quadratic function (1) Whiteboard presentation Play

Quadratic function (2) Whiteboard presentation Play

Quadratic function (2) Class activity Play

Quantitative composition of a chemical compound Animation Play

Ratio of two quantities of different kinds Whiteboard exercise Play

Ratio of two quantities of different kinds Whiteboard exercise Play

Ratio of two quantities of different kinds Student activity Play

Reaction of the organism to different stimuli Slideshow Play

Regulation of the amount and composition of systemic fluids by the kidneys Class activity Play

Regulation of the amount and composition of systemic fluids by the kidneys Whiteboard presentation Play

Reproduction rates of different animals Slideshow Play

Responses of the sundew to different stimuli Simulation Play

Sea water Student activity Play

Sequences formed by different ways Whiteboard exercise Play

Sequences formed by different ways Student activity Play

Signs of the ratios in the different quadrants Whiteboard exercise Play