The different passage of time Whiteboard exercise Play

The distance Animation Play

The distance between two cities Whiteboard exercise Play

The distance covered by a car Whiteboard exercise Play

The distance covered by the cyclist Whiteboard exercise Play

The distance covered by the ferry Simulation Play

The Doppler effect in the animal world Student activity Play

The eclipses of Io Animation Play

The economic meaning of reaction rate Whiteboard exercise Play

The effect of surface area on reaction rate Student activity Play

The effect of surface area on reaction rate Whiteboard exercise Play

The effect of temperature on an endothermic reaction Animation Play

The energetic diagram for alkane combustion Animation Play

The energy changes during the course of a chemical reaction Animation Play

The energy due to nuclear fission Whiteboard exercise Play

The energy due to nuclear fission Student activity Play

The entrance to the harbour Student activity Play

The entrance to the harbour Whiteboard exercise Play

The enzyme-catalysed reaction Whiteboard exercise Play

The equation for a redox reaction Animation Play

The equilibrium constant Whiteboard exercise Play

The equilibrium constant expression for a heterogeneous reaction Animation Play

The equilibrium constant expression of the homogeneous reaction Animation Play

The equilibrium constant Kp Student activity Play

The factors effect on the values of the equilibrium constants Whiteboard exercise Play