fossil fuel and alternative energy Flashcards
(6 cards)
1
Q
what are tar sands
A
clay sand water and bitumen
mined and injected with steam
less viscous is pumped out
2
Q
what is oil shale
A
oil bearing rocks, permeable, oil pumped out by mining and igniting so oil fraction can be pumped
3
Q
what is shale gas
A
natural gas in sedimenatry rocks
fracking ( pumping water into cracks and forcing chemicals out)
4
Q
wind energy
A
turbines turn wind into electricity
pos- rural areas that arent connected to grid
neg- unreliable, danger to birds
5
Q
solar power
A
energy from sunlight captured in panels, converted into electricity
pos- infinite supply at a low cost
neg- only supplied during daytime
6
Q
nuclear energy
A
energy released when atom minerals split in nuclear reactors
pos- small amount produces alot
neg- toxic (chernobyl)
