Reaction between pentane and bromine Animation Play

Reaction of chlorine with alkalis Animation Play

Reactions occurring on the surface of a solid catalyst Student activity Play

Recycling of household waste Whiteboard exercise Play

Recycling of household waste Student activity Play

Recycling of paper, glass and metal Student activity Play

Recycling of paper, glass and metal Whiteboard exercise Play

Roles of efficient utilization and recycling in environmental protection Slideshow Play

Sensors Animation Play

Solution of the equation ax 2 = b Student activity Play

Solving a quadratic equation Student activity Play

Statistics Slideshow Play

Statistics and data Student activity Play

Surface area of a cone – a conical paper cup Whiteboard exercise Play

The dimensions of the paper sizes Whiteboard exercise Play

The pH scale Student activity Play

The stability of alkaline-earth-metal carbonates Student activity Play

Time needed to cut some amount paper Whiteboard exercise Play

Use of enzymes in the baking industry Slideshow Play

Uses of alkali metal compounds Student activity Play

Uses of alkali metal compounds Slideshow Play

Uses of aluminium Student activity Play

Uses of rocks in building industry Whiteboard exercise Play

Uses of sulphur dioxide in the food industry Slideshow Play

Using the formula for the surface area of a cone Student activity Play