Light phase and dark phase of photosynthesis Whiteboard exercise Play

Light refraction Student activity Play

Linear equation in one variable Student activity Play

Linear equations and their solutions Animation Play

Linear equations with many solutions Student activity Play

Linear equations with the same solution Whiteboard exercise Play

Linear equations without solutions Student activity Play

Linear equations without solutions Whiteboard exercise Play

Linear equations without solutions Whiteboard exercise Play

Linear inequalities without solution Student activity Play

Linear inequalities without solution Whiteboard exercise 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

Looking for roots Student activity Play

Low-energy house Student activity Play

Making salts Student activity Play

Making water Animation Play

Manufacture of sulphuric(VI) acid Student activity Play