Data processing Class activity Play

Day and night Student activity Play

Describing class intervals Student activity Play

Describing class intervals – alto singers Whiteboard exercise Play

Describing class intervals – speed of light Whiteboard exercise Play

Description of oscillations Student activity Play

Determining the relative molecular mass Animation Play

Diffraction of sound waves Student activity Play

Diffraction of sound waves Animation Play

Diffraction of sound waves Whiteboard exercise Play

Diffraction of sound waves Animation Play

Doppler effect Class activity Play

Doppler effect Whiteboard presentation Play

Doppler effect for different waves Student activity Play

Doppler effect for different waves Whiteboard exercise Play

Dot plot Student activity Play

Dropped pins Animation Play

Effect of concentration – a microscopic view Student activity Play

Einstein's formula Student activity Play

Einstein's formula Animation Play

Einstein's formula Whiteboard exercise Play

Electromagnetic spectrum Animation Play

Electromagnetic waves Animation Play

Emission of electrons Whiteboard exercise Play

Emission spectrum of excited atoms Animation Play