Hormones – chemical transmitters of information Animation Play

How do temperature changes affect an equilibrium? Animation Play

How flypaper traps work Animation Play

How human activities change the natural environment Student activity Play

How humans affect the environment Slideshow Play

Identifying the chemical element present Whiteboard exercise Play

Importance of chemical equations in the work of a chemist Animation Play

Inertness of alkanes Student activity Play

Inhibitors – negative catalysts Animation Play

Intermolecular forces affect the physical properties of matter Student activity Play

Investigation of the effect of temperature on the rate of chemical reactions Animation 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

Isomerisation of cis-but-2-ene Animation Play

John Dalton's atomic theory Animation Play

Kinetic energy of the colliding molecules Animation Play

Le Chatelier's principle Student activity Play

Le Chatelier's principle for gas reactions Student activity Play

Least useful chemical reactions Student activity Play

Major sources of energy Slideshow Play

Measuring the volume of gas evolved Animation Play

Mendeleev's table Animation Play

Metals from metal ores Class activity Play

Metals from metal ores Whiteboard presentation Play

Methods for metal extraction Student activity Play