How will the area change? Whiteboard exercise Play

How will the equilibrium change when the pressure is changed? Animation Play

How will the perimeter change? Student activity Play

How will the perimeter change? Whiteboard exercise Play

Identifying oxidation–reduction reactions Student activity Play

Important features of human evolution Student activity Play

Internal stimuli and their receptors Whiteboard exercise Play

Ionisation enthalpy and electron affinity Student activity Play

Is it easy to distinguish between a physical change and a chemical change? Student activity Play

Isobaric change Animation Play

Isochoric change Animation Play

Isothermal change Animation Play

Lena's method Animation Play

Lena's temperature change Whiteboard exercise Play

Light refraction Whiteboard exercise Play

Light refraction Student activity Play

Litres and cubic centimetres Student activity Play

Measure of the slope Simulation Play

Measurement of mass change during the reaction Whiteboard exercise Play

Measuring conductance changes in the reaction mixture Animation Play

Measuring mass changes in the reaction mixture Animation Play

Measuring the colour changes of the reaction mixture Animation Play

Metric units of area – reminder Student activity Play

Metric units of volume – reminder Student activity Play

Moment of a force and change in angular momentum Student activity Play