Charles's law – mathematical and graphical interpretation Animation Play

Chemical and physical change Whiteboard presentation Play

Chemical and physical change Class activity Play

Chemical change Student activity Play

Chemical change Whiteboard exercise Play

Chemical inertness of alkanes Animation Play

Chemical processes that involve a change in the reaction of a solution to indicators Student activity Play

Chemical processes that involve a change in the reaction of a solution to indicators Simulation Play

Chemical weathering Student activity Play

Chromosomal aberrations Animation Play

Classification Whiteboard presentation Play

Classification of bacteria according to environmental temperature Slideshow Play

Collision of molecules Student activity Play

Colour change of indicator papers in the presence of acids Animation Play

Combined gas law Animation Play

Combined gas law (1) Student activity Play

Combined gas law (1) Whiteboard exercise Play

Combined gas law (2) Whiteboard exercise Play

Combined gas law (2) Whiteboard exercise Play

Combined gas law (2) Student activity Play

Combined gas law (2) Whiteboard exercise Play

'Combustion' of hydrogen Student activity Play

Combustion of magnesium and aluminium: a chemical change Animation Play

Combustion of silicon in oxygen Animation Play

Combustion of sodium in oxygen Animation Play