Moving the pawn on the chessboard Whiteboard exercise Play

Moving wave source Animation Play

Relative motion Student activity Play

The central nervous system 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 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 same distance Student activity Play

The same distance Whiteboard exercise 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

Where does the delay come from? Animation Play

Zero and opposite vectors Student activity Play

Zero and opposite vectors Animation Play