The change of a liquid into a gas Student activity Play

The change of diamond into graphite and graphite into diamond Animation Play

The derivative Whiteboard presentation Play

The derivative Class activity Play

The Doppler effect Animation Play

The Doppler effect Simulation Play

The Doppler effect Student activity Play

The Doppler effect Whiteboard exercise Play

The energy change for the synthesis of HCl Whiteboard exercise Play

The energy diagram Animation Play

The energy levels of hydrogen atom Simulation Play

The energy levels of hydrogen atom Student activity Play

The enthalpy change for the transformation of solid sulphur into gaseous sulphide ions Whiteboard exercise Play

The enthalpy change of a system Animation Play

The enthalpy of solution Animation Play

The exponential law of decay Illustration Play

The formation of ionic compounds is exothermic Animation Play

The free energy change Whiteboard exercise Play

The free energy change Chart Play

The game of Change Places Animation Play

The height of the tulip Whiteboard exercise Play

The law of refraction Student activity Play

The most important evolutionary changes Simulation Play

The number of decayed nuclei and the number of remaining Whiteboard exercise Play

The number of decayed nuclei and the number of remaining nuclei Student activity Play