The core of a transformer Illustration Play

The core of a transformer Simulation Play

The distance between the plates Simulation Play

The distance between the plates Whiteboard exercise Play

The distance between the plates Student activity Play

The Doppler effect in the animal world Student activity Play

The Doppler effect in the animal world Whiteboard exercise Play

The frequency of the perceived wave Animation Play

The frequency of the wave perceived by the observer Animation Play

The graphs representing the same distance Whiteboard exercise Play

The layout of tectonic plates Animation Play

The movement of a charge in an electric field Student activity Play

The path of a charge moving in an electric field Animation Play

The path of a charge moving perpendicular to the filed lines Animation Play

The pieces of chocolate on three plates Whiteboard exercise Play

The pieces of chocolate on two plates Whiteboard exercise Play

The same distance Student activity Play

The same distance Whiteboard exercise Play

The strength of electric field between two parallel plates Animation Play

The structure of the brain Slideshow Play

The trajectory of a moving body when the potential is constant Animation Play

The velocity of a charge moving along the filed lines Animation Play

Travelling at different speeds Animation Play

What happens when two tectonic plates come into contact with each other? Animation Play

Where does the delay come from? Animation Play