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Listed under:  Technologies  >  Materials  >  Metals
Video

Sam the Lamb: properties of wool

This short video, narrated by ‘Sam the Lamb’ and a group of young wool enthusiasts, explores the properties of one of nature’s most versatile fibres. Viewers will discover how wool can stretch and return to its natural shape when worn; why wool is safe to wear around campfires and in the sun, and how wool can manages moisture ...

Video

The Reactivity Series of metals

Students use this simulation to investigate the differences between potassium, sodium, iron and gold in reactivity with water in the construction of a bridge. Teachers have to explain how the reactivity series of metals can be determined by considering their reaction with oxygen, water and acid, and how to use the reactivity ...

Video

Displacement Reactions

Students use this interactive to test five metals in an iron sulfate solution to see if a reaction will occur and understand that more reactive metals such as magnesium, aluminium and zinc will displace less reactive ones such as iron from their compounds.