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