Does a compound have a constant composition? Student activity Play

Early atomic theories Class activity Play

Early atomic theories Whiteboard presentation Play

Early models of an atom Animation Play

Electron configuration of elements Student activity Play

Electron configuration of some of the elements Animation Play

Electron energy levels in an atom Whiteboard presentation Play

Electron energy levels in an atom Class activity Play

Electron shells and subshells (1) Student activity Play

Energy levels Whiteboard exercise Play

Energy levels Student activity Play

Energy levels Simulation Play

Enzymes are proteins Student activity Play

Example of simple molecular solid: carbon dioxide Simulation Play

Exceptional properties of some giant molecular solids Student activity Play

Exponential growth model Animation Play

Finding the nth term of a sequence Class activity Play

Finding the nth term of a sequence Whiteboard presentation Play

Fitting a curve to the data Animation Play

Fitting a curve to the data – translations Student activity Play

Fitting models to data Animation Play

Flat bone Illustration Play

Flatland Whiteboard exercise Play

Gels Student activity Play

Glucose Simulation Play