MINERALSVersión en línea Choose the correct answer por Elena Irazu 1 Where do minerals exist? a In the mantle b In the core c In the crust d In the atmosphere 2 What are the properties of minerals? a Colour, hardness and uses b Colour, hardness and lustre c Colour, lustre and shiny d Lustre, dull and shiny 3 What colour is cobalt? a Blue b Green c Red d Yellow 4 What is the hardest substance on Earth? a Rock b Mineral c Gold d Diamond 5 Graphite is ... a Shiny b Yellow c Dull d Crystal 6 What do we use for jewellery? a Copper and malachite b Aluminium and gypsum c Gold, silver and diamonds d Gypsum and sulphur 7 What do we use graphite for? a For the lead in pencils b For jewellery c For paints d For cans, cars and aeroplanes 8 What do we use to make paints? a Gypsum b Malachite c Copper d Graphite 9 What do we use to make cans? a Malachite b Gypsum c Copper d Aluminium 10 What do we use to make electric cables and coins? a Copper b Aluminium c Gold d Diamond