The heating curve and the cooling curve Animation Play

The heating curve and the cooling curve Student activity Play

The Kelvin scale Student activity Play

The Kelvin scale Whiteboard exercise Play

The physical changes Animation Play

The process of freezing Animation Play

The process of melting and freezing Animation Play

The three states of matter Illustration Play

The three states of matter Whiteboard exercise Play

The three states of matter Student activity Play

The untypical behaviour of water Student activity Play

The untypical behaviour of water during freezing Animation Play

Thermometers Slideshow Play

Traditional methods of preserving foods Student activity Play

Transfer of heat energy Animation Play

Undesirable effects of enzyme action Whiteboard exercise Play

Undesirable effects of enzyme action Student activity Play

Water, nitrogen and lead Slideshow Play