The different passage of time Student activity Play

The direction and rate of osmosis Simulation Play

The drag of bodies at high velocities Slideshow Play

The drag of bodies at high velocities Simulation Play

The drag of bodies at high velocities Student activity Play

The drag of bodies at high velocities Whiteboard exercise Play

The economic meaning of reaction rate Whiteboard exercise Play

The effect of pressure on a chemical equilibrium 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 effects of external factors on the rate of transpiration Student activity Play

The effects of external factors on the rate of transpiration Whiteboard exercise Play

The effects of osmosis on the rate of transpiration Simulation Play

The effects of osmosis on the rate of transpiration Student activity Play

The effects of osmosis on the rate of transpiration Whiteboard exercise Play

The effects of sunlight and soil water on the rate of transpiration Student activity Play

The effects of sunlight and soil water on the rate of transpiration Simulation Play

The effects of temperature on the rate of photosynthesis Student activity Play

The equilibrium between energy flow and matter circulation in the environment Student activity Play

The exchange rate Student activity Play

The exchange rate Whiteboard exercise Play

The flow of charge through a conductor Animation Play

The flow of charge through an insulator Animation Play

The flow of chemical energy through the food chain Animation Play

The flow of electrons through an electrolyser Animation Play