Flashcards
fosil fuels flashcards
Flashcards do conjunto (7)
- 1What are fossil fuels?they are substances formed from the remains of once living things
- 2What are fossil fuels made of?They are made of chemical compunds that contains carbon and hydrogen atoms (hydrocarbon)
- 3What are the 3 main fossil fuels?Coal, Oil, and Natural Gas
- 4what are some characteristics of coal° its burned to produce heat
° need to be removed from the ground before it produce energy
° esay to transport
° mining coal is dangerous
° burning coal causes more pollution - 5what are some characteristics of oil° is thick, black, and liquid
° formed by organisms that lived in oceans
° its also called petroleum
° finding oil is difficult
° have to go through a process named refining to be used - 6what are some characteristics of Natural Gas° formed by some of the same organisms as oil
° its less dense than oil
° it has large amount of energy
° its less pollutant than coal and oil
° its highly flammable and it has no odor - 7—
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- FlashCards sobre fosil fuels flashcards, criado por fabiana monge em 24-08-2016.
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