Plastic litter and polymer recycling Slideshow Play

Plastic litter and polymer recycling Student activity Play

Pollution of land Whiteboard presentation Play

Pollution of land Class activity Play

Polymers around us Whiteboard exercise Play

Polymers around us (2) Student activity Play

Polysaccharides Student activity Play

Primary, secondary and tertiary haloalkanes Student activity Play

Production of enzymes Student activity Play

Properties of acids Student activity Play

Protective functions of epidermal tissue Student activity Play

Ratios in paper sizes Animation Play

Reaction between pentane and bromine Animation Play

Reaction of chlorine with alkalis Animation 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

Separating alcohol and water Animation Play

Separating ink pigments using chromatography Animation Play

Separating mixtures Student activity Play

Simple distillation Animation Play

Solution of the equation ax 2 = b Student activity Play