Cosmic microwave background radiation (CMB) Simulation Play

CPU timing Whiteboard exercise Play

Decibel Whiteboard exercise Play

Decibel Student activity Play

Decibel Simulation Play

Depletion of the ozone layer Slideshow Play

Devices that use microwaves Slideshow Play

Differentiated cells – neurones Student activity Play

Diffraction Whiteboard exercise Play

Diffraction Student activity Play

Diffraction Slideshow Play

Diffraction Chart Play

Diffraction and interference Whiteboard presentation Play

Diffraction and interference Whiteboard presentation Play

Diffraction and interference Class activity Play

Diffraction and interference Class activity Play

Diffraction and interference of mechanical waves Class activity Play

Diffraction and interference of mechanical waves Whiteboard presentation Play

Diffraction and interference of mechanical waves Whiteboard presentation Play

Diffraction and interference of mechanical waves Class activity Play

Diffraction grating Student activity Play

Diffraction grating Animation Play

Diffraction grating Whiteboard exercise Play

Diffraction grating constant Illustration Play

Diffraction of electrons – the Davisson-Germer experiment Student activity Play