Fossil Fuels Flashcards
What are the three main fossil fuels?
Crude oil, coal, natural gas
How are fossil fuels formed?
Oil + natural gas:
Millions of years ago, animals and plants died and fell to the bottom of the sea. They were covered by mud. Their remains were chemically altered and this formed these substances. Can be obtained by drilling into rocks
Coal:
Millions of years ago plants died in swamps, they were buried in mud which stopped them from rotting. The absence of oxygen turned the mud into rock and plant fossils into coal
What are the importance of fossil fuels to society?
They fuel our vehicles, heat our homes, are an energy source and we use them everyday
What are the consequences of burning fossil fuels?
It can cause acid rain, the greenhouse effect
What are the Advantages and disadvantages of hydrogen as an alternative energy source?
Water is the only product but production is from electrolysis of water
What are some alternative energy sources to fossil fuels?
Hydrogen
