Renewable energy Flashcards
What is Ethonol
Corn added to gasoline to make it healther
We don’t get much out of it
Most common
Cons about trees
Only renwable if tree production is faster than destruction
Hydroelectricy
Uses Dams in rivers or near tides
- alters tides
- effects fish mirgration adn ecosystem
China has the biggest one
Wind Powers
- We have to mine for material in turbines
- Kills 500,000 birds
3rd pop
Solar energy
2 types Photovolic cell and solar tower
Solar tower and pannels
Tower: Mirrors reflect into a tower adn goes through a generator
- kills a ton of bird by burning them
Pannel
- usually found in deserts but wants grasslands
- uses silicon as a main ingident
Geothermal energy
Water deep undergroud is extracted and goes through the power generator process
Iceland and Cali bc of earth is changing there
Hydrogen Fuel Cells
Hydrogen is split into postive and negative charges
- negative flows energy
- Then they reconbine to become hydrogen and oxygen is added to make water
MOST EXPENSICE