Sickle-cell disease Student activity Play

Signal encoding Whiteboard presentation Play

Signal encoding Class activity Play

Simulating random samples Student activity Play

Simulating random samples Whiteboard exercise Play

Simulating random samples using cumulative relative frequency Animation Play

Singing Simulation Play

Singing Student activity Play

Singing Whiteboard exercise Play

Solving an examination problem Whiteboard exercise Play

Sound + sound = silence Whiteboard exercise Play

Sound + sound = silence Student activity Play

Sound + sound = silence Animation Play

Sound waves Animation Play

Sound waves Student activity Play

Source of electricity Animation Play

Sources of plane waves Student activity Play

Sources of plane waves Animation Play

Southern blot technique Animation Play

Southern blot technique – saving DNA on a nitrocellulose membrane Student activity Play

Species Whiteboard exercise Play

Species Student activity Play

Specificity of hormone activity Student activity Play

Spectra of alcohols, amines and haloalkanes Student activity Play

Spectral analysis Student activity Play