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