Formulae of organic compounds. Part II Student activity Play

Frequency polygon Student activity Play

Frequency polygon – influence of soil irrigation on the yield Animation Play

Geotropism Animation Play

Geotropism – a movement of plant organs brought about by gravity Student activity Play

Haloalkanes (3) Whiteboard exercise Play

Haloalkanes (3) Student activity Play

How humans shape the natural environment Student activity Play

How humans shape the natural environment Whiteboard exercise Play

How plants obtain the substances necessary for life Slideshow Play

How to get similar figures Student activity Play

Inorganic fertilizers Student activity Play

Inverse function Class activity Play

Inverse function Whiteboard presentation Play

Investigating the pH of soil Animation Play

Landfills Animation Play

Large nematode – another big problem Student activity Play

Locations of mineral ions in the soil Whiteboard exercise Play

Making steel Student activity Play

Mass spectrometry of elements Student activity Play

'Migrating' sand Animation Play

Mixtures and their composition Slideshow Play

Neutralisation of acidic gases Slideshow Play

Nitrogen Slideshow Play

Nitrogen fertilisers Student activity Play