Mammals Student activity Play

Natural water (2) Student activity Play

Preparation of soap Animation Play

Properties of soap Animation Play

Properties of vegetable oil Animation Play

Reactions of fats Whiteboard exercise Play

Reactions of fats Student activity Play

Removal of dirt Animation Play

Salts of weak acids and strong bases Student activity Play

Salts of weak acids and strong bases Whiteboard exercise Play

Sexual; kin and group selection Animation Play

Soap as a surfactant Animation Play

Soap as detergents Animation Play

Soap bubble Animation Play

Soaps Whiteboard exercise Play

Soaps Student activity Play

Soaps and detergents Student activity Play

Statements about acids Whiteboard exercise Play

Sterilization and disinfection Whiteboard exercise Play

Sterilization and disinfection Student activity Play

Stimuli and behaviour Whiteboard exercise Play

The atypical behaviour of water during freezing Animation Play

The behaviour of a liquid Animation Play

The behaviour of soap and detergent molecules in water Animation Play

The behaviour of the alkaline earth metals in the presence of water Animation Play