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      Listed under:  Technologies  >  Materials  >  Metals
      Video

      Sam the Lamb: properties of wool

      • TLF-IDM021647

      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 ...

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      Video

      Displacement Reactions

      • TLF-IDM016678

      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.

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      Video

      The Reactivity Series of metals

      • TLF-IDM016448

      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 ...

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