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

Equilibria of complex formation and the formation constant Animation Play

Equilibrium constant expression Student activity Play

Equilibrium constant expression Whiteboard exercise Play

Equilibrium constants for the reaction of nitrogen with oxygen Animation Play

Ethanoic acid Animation Play

Examples of regular polygons Student activity Play

Experimental determination of a rate equation Animation Play

Experimental observations Animation 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

Falling body Animation Play

Finding the pH of a metal salt solution Animation Play

Finding the value of the constant Whiteboard exercise Play

First and second differences – maths investigations Student activity Play

Formation constant of a metal complex Student activity Play

Formation constant of a metal complex Whiteboard exercise Play

Forms of energy Student activity Play

Forms of energy Animation Play