Formation of Fossil Fuels (Leaving Cert CASD): Flashcards
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What are fossil fuels?
What are fossil fuels?
Energy from ancient organisms, formed over millions of years
Three main types of fossil fuels
Three main types of fossil fuels
Coal, oil (petroleum), natural gas
Compounds in fossil fuels
Compounds in fossil fuels
Carbon and hydrogen
What does coal form from?
What does coal form from?
Ancient plant material from swampy environments
Coal's plant material percentage
Coal's plant material percentage
More than 50%
What does oil form from?
What does oil form from?
Marine organisms (plankton, algae)
Rock type containing fossil fuels
Rock type containing fossil fuels
Sedimentary rock
Natural gas primary component
Natural gas primary component
Methane
Why fossil fuels are nonrenewable
Why fossil fuels are nonrenewable
Take millions of years to form
What does burning fossil fuels release?
What does burning fossil fuels release?
Carbon dioxide