Pollution with heavy metals Student activity Play

Properties of esters (1) Student activity Play

Rusting of steel Slideshow Play

Solvents Student activity Play

Sources of chlorofluorocarbons Slideshow Play

Surface area of a cuboid – part 1 Student activity Play

Surface area – introduction Student activity Play

The effects of drugs of abuse on the nervous system Student activity Play

The paint needed to paint the room Whiteboard exercise Play

The ratio of two values – more difficult problems Student activity Play

The time needed to paint 17 rooms Animation Play

The tower and the castle Student activity Play

Types of colloid Student activity Play

Uses of halogenated hydrocarbons Student activity Play

Volumes of paint Animation Play