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

Process of vision Animation Play

Properties of matter – volume Student activity Play

Properties of matter – volume Whiteboard exercise Play

Proportion – introduction Student activity Play

Quadratic function (1) Class activity Play

Quadratic function (1) Whiteboard presentation Play

Quadratic function (2) Class activity Play

Quadratic function (2) Whiteboard presentation Play

Radiation of objects Class activity Play

Radiation of objects Whiteboard presentation Play

Ratio of two quantities of different kinds Whiteboard exercise Play

Ratio of two quantities of different kinds Student activity Play

Ratio of two quantities of different kinds Whiteboard exercise Play

Reaction of the organism to different stimuli Slideshow Play

Reflecting telescopes Student activity Play

Reflecting telescopes Animation Play

Relative motion Student activity Play

Reproduction rates of different animals Slideshow Play

Responses of the sundew to different stimuli Simulation Play

Right- and left-handed coordinate systems Animation Play