Entropy change in the surroundings Animation Play

Enzymatic reactions Whiteboard exercise Play

Enzymatic reactions Student activity Play

Enzyme activity and environmental conditions Student activity Play

Enzymes are specific and selective (2) Student activity Play

Equation for the neutralisation of power station emissions Illustration Play

Equations for neutralisation reactions Illustration Play

Equilibrium constants for the reaction of nitrogen with oxygen Animation Play

Estimation of the median and the quartiles of grouped data Student activity Play

Ethanoic acid Animation Play

Exact values of trigonometric ratios Animation Play

Exact values of trigonometric ratios for selected angles Student activity Play

Exact values of trigonometric ratios for selected angles Animation Play

Example of solving linear inequality with the parameter Animation Play

Examples of a linear function Animation Play

Examples of functions Animation Play

Expected value and population variance Student activity Play

Expected value and population variance Whiteboard exercise Play

Factors affecting the pH of a metal salt solution Animation Play

Factors affecting the rate of enzyme-catalysed reactions Student activity Play

Factors influencing bacterial growth Student activity Play

Factors influencing bacterial growth Whiteboard exercise Play

Factors that determine the properties of soil Slideshow Play

Finding an approximation of an irrational number Student activity Play

Finding maximum and minimum values Class activity Play