Compound measures – speed Whiteboard exercise Play

Day and night Student activity Play

Decibel Student activity Play

Decibel Simulation Play

Decibel Whiteboard exercise Play

Detection of hydrogen Animation Play

Detection of some gases Student activity Play

Diffraction of sound waves Student activity Play

Diffraction of sound waves Animation Play

Diffraction of sound waves Animation Play

Diffraction of sound waves Whiteboard exercise Play

Digital encoding of sound Whiteboard exercise Play

Digital encoding of sound Student activity Play

Digital recording of sound Whiteboard exercise Play

Digital recording of sound Student activity Play

Doppler effect Whiteboard presentation Play

Doppler effect Class activity Play

Doppler effect for different waves Student activity Play

Doppler effect for different waves Whiteboard exercise Play

During a thunderstorm Student activity Play

During a thunderstorm Whiteboard exercise Play

Ear Student activity Play

Ear Animation Play

Ear Whiteboard exercise Play

Echo Whiteboard exercise Play