2.5 Separating materials from rocks vocabularies

a very light metal

• aluminium

• carbon

• iron

a material that is part of many natural materials including wood, coal and diamond

• oil

• carbon

• aluminium

a liquid made from oil that we use as a fuel in lorries, and some cars

• oil

• carbon

• diesel

a diagram that shows things in order

• flow chart

• natural gas

• ore

materials that we use by burning them

• oil

• diesel

• fuels

the warming of the Earth caused mainly by humans burning fuels from underground

• fuels

• global warming

• smelting

a strong metal that can be used to make steel

• iron

• carbon

• aluminium

a gas found underground that we use as a fuel

• petrol

• ore

• natural gas

a black liquid found in the ground and used as a fuel

• natural gas

• oil

• diesel

a rock that can be used to make metal

• ore

• aluminium

• rock