The operation of a heat engine – an internal-combustion engine Student activity Play

The operation of a rectifier Animation Play

The operation of an LED diode Simulation Play

The operation of an LED diode Student activity Play

The operation of an oscilloscope Student activity Play

The origin and 'something' Whiteboard exercise Play

The origin and 'something' Student activity Play

The parabola Whiteboard exercise Play

The parabola Whiteboard exercise Play

The parabola Student activity Play

The peak in the graph of the emissive power Animation Play

The phase of oscillation Whiteboard exercise Play

The phase of oscillation Student activity Play

The point that belong to the graph Whiteboard exercise Play

The points and graphs of the functions Whiteboard exercise Play

The points on the graph Whiteboard exercise Play

The points that lie on the graph Whiteboard exercise Play

The potential of a system of electric charges Simulation Play

The potential of a system of electric charges Student activity Play

The potential of an electric field due to a point charge Animation Play

The pounds and the kilograms Whiteboard exercise Play

The pressure of a liquid depends on its density Whiteboard exercise Play

The pressure of a liquid depends on its density Student activity Play

The pressure of a liquid depends on its density Animation Play

The pressure of a liquid depends on the depth Student activity Play