Essential elements – macro-elements; trace elements and ultra-trace elements Student activity Play

Essential minerals Student activity Play

Examples of reagents, reactants and products Animation Play

Expansion and contraction Student activity Play

Experiment with silver nitrate and copper Slideshow Play

Facts about the planets of the solar system Chart Play

Facts about the solar system Whiteboard exercise Play

Groups in the periodic table Student activity Play

Halogen lights Illustration Play

Heat of fusion Whiteboard exercise Play

Heat of vaporisation Student activity Play

Heat of vaporisation Whiteboard exercise Play

Heating and cooling curves. Melting and boiling points Student activity Play

Heating curve Animation Play

Heating of mercury(II) oxide Animation Play

Heavy metals Animation Play

How can we check whether a given substance is an element or a compound? Animation Play

How gravity affects orbits Simulation Play

How plants obtain the substances necessary for life Slideshow Play

Irreversible reactions Slideshow Play

Kepler's First Law Simulation Play

Kepler's Laws Student activity Play

Liquid-vapour equilibrium Student activity Play

Liquids Animation Play

Locations of mineral ions in the soil Whiteboard exercise Play