Hardness index of water Animation Play

How households affect ecosystems Animation Play

Introduction to genetic engineering – DNA isolation Student activity Play

Natural water (2) Student activity Play

Phosphates Slideshow Play

Plant tissue culture Animation Play

Plant tissue culture – cloning on an industrial scale Student activity Play

Properties of glycerol Student activity Play

Removal of dirt Animation Play

Soap as detergents Animation Play

Soaps Student activity Play

Soaps and detergents Student activity Play

Sterilization and disinfection Whiteboard exercise Play

Sterilization and disinfection Student activity Play

Synthetic division Animation Play

Synthetic division Whiteboard exercise Play

Synthetic division Student activity Play

Synthetic insulin Slideshow Play

The behaviour of soap and detergent molecules in water Animation Play

The effect of water hardness on the cleansing action of soap and detergents Slideshow Play

The factor and remainder theorems Class activity Play

The factor and remainder theorems Whiteboard presentation Play

The mystery of the synthetic division Animation Play

The structure of soaps and detergents Animation Play

Using the synthetic division Whiteboard exercise Play