Stratified sampling Student activity Play

Structural isomerism: positional isomers and functional group isomers Student activity Play

Structure and naming of carboxylic acids Student activity Play

Structure and properties of sugars Student activity Play

Structure of chitin Whiteboard exercise Play

Structure of DNA Slideshow Play

Structure of enzymes Animation Play

Structure of glucose and fructose Animation Play

Structure of the carbonyl group Animation Play

Structure of the periodic table of the elements Animation Play

Substitution reactions of alcohols Student activity Play

Sulphates(VI) of Group 1 and 2 metals Whiteboard exercise Play

Sulphates(VI) of Group 1 and 2 metals Student activity Play

Testing for the presence of a hydroxyl group Animation Play

Tests for alcohols Student activity Play

The ABO blood group system Animation Play

The blood group inheritance Chart Play

The building blocks of nucleic acids Student activity Play

The carbonyl group in aldehydes and ketones Animation Play

The double helix Student activity Play

The effect of atomic radius on the reactivity of Group 2 metals Animation Play

The eggs from the two farms Animation Play

The electronegativity of elements and the chemical properties of their compounds Whiteboard exercise Play

The first and second ionisation energies of the Group 2 elements Student activity Play

The first and second ionisation energies of the Group 2 elements Whiteboard exercise Play