Circular, spherical and plane waves Whiteboard exercise Play

Cofactors Student activity Play

Combustion of hydrocarbons as a source of energy Whiteboard exercise Play

Combustion of hydrocarbons as a source of energy Student activity Play

Conduction, convection, radiation Animation 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

Different sources of secondary data Student activity Play

Different sources of secondary data Animation Play

Diffraction of sound waves Animation Play

Diffraction of sound waves Animation Play

Diffraction of sound waves Whiteboard exercise Play

Diffraction of sound waves Student activity Play

Digital encoding of sound Student activity Play

Digital encoding of sound Whiteboard exercise Play

Digital recording of sound Student activity Play

Digital recording of sound Whiteboard exercise Play

Discharging a battery. Accumulators. Animation Play

Discharging a battery. Accumulators. Whiteboard exercise Play

Discharging a battery. Accumulators. Student activity Play

Doppler effect Class activity Play