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Absorbent material
A material that soaks up water, like this kitchen towel.
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Aluminium
A lightweight grey metal.
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Brass
A combination (alloy) of copper and zinc metals. It does not tarnish easily.
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Bronze
This is an alloy of copper and tin mainly. It has a low melting point, and was one of the first metals ever to be used (hence the 'Bronze Age').
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Cardboard
Thick layers of paper used for packaging.
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Ceramic
A general word for baked clay.
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Ceramic, south-west Native American style
These ceramic pots have a distinctive design that comes from areas close to Arizona.
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Elastic
A material that goes back to its original shape once it has been pushed or pulled.
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Flint
A mineral found in chalk and used by Stone Age people to make axes.
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Glass, recycled
Glass can be recycled by heating it.
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Gold/gold-plating
Gold is a precious metal used for decoration.
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Iron, cast
Cast iron is made by pouring molten iron into a mould. It takes up the shape of the mould into which it has been cast.
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Oil, crude
A dark brown, smelly liquid found naturally in the ground.
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Plastic
A material that can be shaped and/or a material made using mostly carbon.
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Plastic, recycled
Many plastics that cannot be melted down for reuse can be made into creative objects.
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Silver, tarnished
Silver quickly changes in air and needs cleaning quite often. The discolouration is called tarnishing.
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Starch
Starch is a white liquid that can come from cereals and potatoes. It will solidify into a form of plastic.
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