Groups in the periodic table Student activity Play

Halogen lights Illustration Play

Halogens. Group 17 Class activity Play

Halogens. Group 17 Whiteboard presentation Play

Herbivory: digestion of plant food Whiteboard exercise Play

Herbivory: digestion of plant food Student activity Play

High fibre food Illustration Play

How a pyramid of numbers works Animation Play

How do plants use food? Simulation Play

How electricity is generated Student activity Play

How food chains work Student activity Play

How habitats vary Student activity Play

How humans depend on the natural environment Student activity Play

How planets reflect light Student activity Play

How to find the valence of an element from the periodic table Animation Play

Human dependency on the natural environment Slideshow Play

Hydrocarbon derivatives containing the –OH group Whiteboard exercise Play

Hydrocarbon derivatives containing the –OH group Student activity Play

Identification of carbonyl compounds Student activity Play

Identification of carbonyl group Animation Play

Infra-red spectroscopy. Part II Whiteboard presentation Play

Infra-red spectroscopy. Part II Class activity Play

Ionic and atomic radii Student activity Play

Ionisation energy of the s-block elements Student activity Play

Ionisation enthalpy and electron affinity Student activity Play