Discontinuous variation Student activity Play

Discontinuous variation - activity Whiteboard exercise Play

Dispersion of light Student activity Play

Dispersion of light from a diffraction grating Student activity Play

Dispersion of light from a diffraction grating Whiteboard exercise Play

Dispersion of light from a diffraction grating Animation Play

Distance on the map Animation Play

Distances in reality Animation Play

Distances on a map Animation Play

Doppler effect for different waves Student activity Play

Drawing a plan Whiteboard exercise Play

Drawing a plan Student activity Play

Drawing the graph of an altered function Student activity Play

Drawing the graph of an altered function Whiteboard exercise Play

Dynamic state of chemical equilibrium Student activity Play

Earthquakes and the Richter scale Animation Play

Emmanuel's kite Animation Play

Enlargements Class activity Play

Enlargements Whiteboard presentation Play

Enlargements Whiteboard presentation Play

Enlargements Class activity Play

Enlargements in the coordinate system Student activity Play

Enlargements in the coordinate system Whiteboard exercise Play

Enlargements with fractional scales Whiteboard exercise Play

Enlargements with fractional scales Student activity Play