Hazardous substances Student activity Play

Health effects of dioxins Slideshow Play

Homolytic fission of non-polar bonds. Free radical reactions Student activity Play

Homolytic fission of non-polar bonds. Free radical reactions Whiteboard exercise Play

How plants obtain the substances necessary for life Slideshow Play

Hydrogen bond and dispersion forces Animation Play

Hydrogen bonding and boiling points Student activity Play

Hydrogen bonding and boiling points Animation Play

Increasing the concentrations of reacting substances Animation Play

Influence of the concentrations of substances on the position of equilibrium Illustration Play

Investigating the electrical conductivity of substances Simulation Play

Investigating the electrical conductivity of substances Student activity Play

Metabolism of toxic substances in the liver Slideshow Play

Mineral substances Student activity Play

Mineral substances Whiteboard exercise Play

Mixtures and their composition Slideshow Play

Molecular crystals Student activity Play

Molecular structure of substances Animation Play

Non-polar bond Animation Play

Non-polar molecules Animation Play

Octane ratings of some combustible substances Audio text Play

Organisms that synthesise antibiotic substances Slideshow Play

Permanent dipoles Student activity Play

Physical changes of three different substances Whiteboard exercise Play

Physical properties of aldehydes and ketones – solubility Student activity Play