Solution of the equation ax 2 = b Student activity Play

Sources of plane waves Simulation Play

Sources of plane waves Whiteboard exercise Play

Sources of plane waves Student activity Play

Speed in circular motion Student activity Play

Speed in circular motion Simulation Play

Speed in circular motion Whiteboard exercise Play

Speed of circular motion Student activity Play

Speed of circular motion Whiteboard exercise Play

Structure and functions of the stomach Slideshow Play

Structure of Dendrocoelum lacteum Slideshow Play

Structure of the wall of the alimentary canal Whiteboard exercise Play

The core (the genome) – the vital part of a virus Student activity Play

The intensity of a wave Class activity Play

The intensity of a wave Whiteboard presentation Play

The magnetic field around a circular conductor Animation Play

The oesophagus – transport of food Student activity Play

The oesophagus – transport of food Whiteboard exercise Play

The oesophagus – transport of food to the stomach Slideshow Play

The stomach – further mechanical breakdown and digestion of proteins Student activity Play

The structure of the wall of the oesophagus and stomach Illustration Play

The structure of the wall of the oesophagus and stomach Student activity Play

Types of ecosystems Student activity Play

Types of waves Animation Play

Untypical reflections Simulation Play