fossil fuels

why are coal, crude oil, and gas considered fossil fuels?

they are formed from ancient plants and animals

what is crude oil made of and where can it be found

made of hydrocarbon and found in rocks and sand

what percent of our energy needs is met by burning fossil fuels

80%

how is crude oil extracted and transported 

extracted- drilling wells

transported- pipelines

why is fracking a controversial method

enviormental impact,health risks, and climate change

where in the United States is coal found in abundances

usually appalaichan

what is nuclear energy

energy that is stored in the nucleus

what is fusion and give an example

2 atoms combined to 1

energy produced from the sun

what is fission why does this release energy

1 atom split into 2

we use heat to make electricity

what elements is used in nuclear plants

uranium 235

what happens to coal after its mined but before its burned

goes in the conveyor and gets crushed

heat is produced from burning of coal

heat makes steam

what is the job of the turbine shaft

generates electricity by spinning woven wires