Enzymes in the textile and chemical industry Whiteboard exercise Play

Enzymes – chemical regulators of reactions Student activity Play

Enzymes – chemical regulators of reactions Simulation Play

Equation of motion Student activity Play

Events causing changes in the concentration of oxygen in the Earth's atmosphere Whiteboard exercise Play

Examples of chemical reactions Whiteboard exercise Play

Examples of chemical reactions Slideshow Play

Examples of functions represented in words – part 2 Student activity Play

Examples of speed equation calculations Student activity Play

Examples of useful chemical reactions Slideshow Play

Expansion and change in density Student activity Play

Expansion and change in density Whiteboard exercise Play

Experimental determination of enthalpy of solution Student activity Play

Exploitation of natural resources Whiteboard exercise Play

Exponential law of decay Student activity Play

Extraction of aluminium Student activity Play

Factors affecting the chemical equilibrium Class activity Play

Factors affecting the chemical equilibrium Whiteboard presentation Play

Fast and slow reactions Student activity Play

Fermat's principle Simulation Play

Fermat's principle Whiteboard exercise Play

Fermat's principle Student activity Play

Flame tests Student activity Play

Force and change in momentum Whiteboard exercise Play

Force and change in momentum Student activity Play