Reasons for the high reactivity of alkenes (1) Student activity Play

Reasons for the high reactivity of alkenes (2) Student activity Play

Recalling transformations Student activity Play

Recalling trigonometric facts Student activity Play

Receptor potential and sensory transduction Student activity Play

Receptors and stimuli Student activity Play

Reciprocals of basic trigonometric ratios Student activity Play

Recognising mutually exclusive events on a probability tree Student activity Play

Recognising oxidising agents Student activity Play

Recognising oxidising and reducing agents Student activity Play

Recognising patterns Student activity Play

Recognising reducing agents Student activity Play

Recoil Student activity Play

Recoil Student activity Play

Recombination in bacteria Student activity Play

Recombination – new combinations of genes Student activity Play

Recording a proton NMR spectrum Student activity Play

Recording an infra-red spectrum Student activity Play

Recover the function Student activity Play

Recovering data Student activity Play

Rectangles Student activity Play

Rectangles in LOGO Student activity Play

Rectangular prisms Student activity Play

Rectifier Student activity Play

Recurring decimals Student activity Play

Recurring decimals; period Student activity Play

Recurring quotient Student activity Play

Recursive definitions Student activity Play

Recycling of aluminium Student activity Play

Recycling of household waste Student activity Play