Geometry of molecules Whiteboard exercise Play

Kinds of relationship Whiteboard exercise Play

Kinds of relationship Student activity Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Lone electron pairs affect the shape of the molecule (2) Student activity Play

Molecules with seven electron pairs Animation Play

Molecules with six electron pairs Student activity Play

Non-linear resistance of a light-bulb Animation Play

Solving non-linear equations graphically Student activity Play

Solving non-linear equations graphically Whiteboard exercise Play

The resistance of a light bulb filament Student activity Play

The resistance of a light bulb filament Simulation Play

Using graphs (1) Class activity Play

Using graphs (1) Whiteboard presentation Play

Variable resistors and nonlinear resistors Whiteboard presentation Play

Variable resistors and nonlinear resistors Class activity Play