Matching Pairs Unit 6_Energy_2Online version Energy by David Tordesillas 1 Oil spills 2 Coal 3 Fossil fuels 4 Uranium 5 Natural gas 6 Crude oil 7 Non-renewable energy sources We make it into petrol for cars Coal, crude oil and natural gas This energy source is more efficient than the other fossil fuels They are limited We burn it to get energy and to produce electricity It is a radioactive metal They have a devastating effect on wildlife and their habitats.