The relationship between drag and velocity Whiteboard exercise Play

The resultant force Animation Play

The resultant force Whiteboard exercise Play

The resultant force Student activity Play

The second derivative of an arbitrary rational power of  x Whiteboard exercise Play

The second division of the cells Animation Play

The Second Law of Thermodynamics Whiteboard presentation Play

The Second Law of Thermodynamics Animation Play

The Second Law of Thermodynamics Class activity Play

The Second Law of Thermodynamics for heat engines Simulation Play

The Second Law of Thermodynamics for heat engines Student activity Play

The Second Law of Thermodynamics for heat engines Whiteboard exercise Play

The second power Animation Play

The second tangent theorem Animation Play

The second tangent theorem – equality in length Whiteboard exercise Play

The second tangent theorem – equality in length Student activity Play

The significance of transformers Animation Play

The significance of transformers Student activity Play

The structure of a PSU Simulation Play

The sum of powers of 10 Simulation Play

The Sun and the Earth Whiteboard exercise Play

The third power Animation Play

The work done by an electric current Student activity Play

Total emissive power Animation Play

Transfer of electrical energy Class activity Play