Light refraction Student activity Play

Lipids – structural elements of membranes Student activity Play

Lipids – structural elements of membranes Whiteboard exercise Play

Lipids – the energy source of the cell Student activity Play

Liquid catalysts Animation Play

Liquid-vapour equilibrium Student activity Play

Liquids Class activity Play

Liquids Whiteboard presentation Play

Liquids miscible with water Animation Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Low-energy house Student activity Play

Making water Animation Play

Manufacture of sulphuric(VI) acid Student activity Play

Manufacture of sulphuric(VI) acid from sulphur Animation Play

Mass percent concentration Whiteboard exercise Play

Mass percent concentration Student activity Play

Mean bond enthalpy Student activity Play

Meaning of the symbol pH Animation Play

Melting and freezing Student activity Play

Melting and freezing Animation Play

Melting of ice and pressure Animation Play

Melting point Student activity Play

Melting points Illustration Play

Melting points and boiling points Whiteboard exercise Play

Melting points and boiling points Student activity Play