Enzymes in the textile and chemical industry Whiteboard exercise Play

Enzymes – chemical regulators of reactions Student activity Play

Enzymes – chemical regulators of reactions Simulation Play

Events causing changes in the concentration of oxygen in the Earth's atmosphere Whiteboard exercise Play

Examples of adaptations to daily changes Illustration Play

Examples of adaptations to seasonal changes Illustration Play

Examples of chemical reactions Whiteboard exercise Play

Examples of chemical reactions Slideshow Play

Examples of useful chemical reactions Slideshow Play

Exploitation of natural resources Whiteboard exercise Play

Extraction of aluminium Student activity Play

Factors affecting the chemical equilibrium Class activity Play

Factors affecting the chemical equilibrium Whiteboard presentation Play

Fast and slow reactions Student activity Play

Fetal circulation and its changes after birth Student activity Play

Field changes Whiteboard exercise Play

Flame tests Student activity Play

Formulating a chemical equation Whiteboard exercise Play

Formulating a chemical equation Whiteboard exercise Play

Formulating a chemical equation (1) Student activity Play

Formulating a chemical equation (2) Student activity Play

Four useful chemical reactions Whiteboard exercise Play

Gases in a chemical laboratory Animation Play

Gases in a chemical laboratory Slideshow Play

Genetic sources of variation Animation Play