The costly process of oxidation Student activity Play

The different rates of chemical reactions Whiteboard exercise Play

The different rates of chemical reactions Student activity Play

The earliest known living organisms Student activity Play

The earliest known living organisms Slideshow Play

The energy levels of hydrogen atom Student activity Play

The equation for a redox reaction Animation Play

The flow of electrons through an electrolyser Animation Play

The ground state and excited states of an atom Student activity Play

The ground state and excited states of an atom Whiteboard exercise Play

The oxidation of iron(II) sulphate Animation Play

The oxidation of of sulphate(IV) ions to sulphate(VI) ions Animation Play

The oxidation of potassium iodide Animation Play

The oxidation of sulphur(IV) oxide Animation Play

The oxidation states of copper Whiteboard exercise Play

The oxidation states of elements in compounds or ions Whiteboard exercise Play

The physical state depends on temperature Slideshow Play

The process of diffusion in different physical states Animation Play

The reaction between sulphur dioxide and chlorine in an aqueous Animation Play

The states of matter Whiteboard presentation Play

The states of matter Class activity Play

The states of matter Animation Play

The states of substances at room temperature Whiteboard exercise Play

The successive steps in balancing redox half-equations Whiteboard exercise Play

The three states of matter Animation Play