Energy Uses
What is coal used for?
Electricity/Industry
How is power generated from coal?
1- Burned
2- Water Boils
3- Steam spins turbines
4- Generators release electrons
What are the environmental problems with coal?
-Industrial Smog
-Acid Rain
-Mercuries
-Carbon dioxide
What are human health problems caused by coal?
-Air pollution/asthma
-Mercury in Tuna
-Mining= Black lung
What countries use coal the most?
-US
-Russia
-China
What is oil and gasoline used for?
Transportation/Plastics/Electricity
How is power generated from oil ad gasoline?
1- Internal
2- Combustion engine in cars/trucks/trains and more
What are the environmental problems with oil/petroleum?
-Habitat fragmentation
-Photochemical smog
What are human health problems caused by oil/gasoline?
-Respiratory Problems
-Asthma
What countries use oil/petroleum the most?
US
What is natural gas used for?
How is power generated from Natural Gas?
1- Burned
2- Water Boils
3- Steam spins turbines and generators produce electricity
4- Combustion for cooking/transportation
What are the environmental problems with natural gas?
-Pipelines can explode
-Carbon dioxide
- Fracking contaminates
-Air pollution
What are human health problems caused by natural gas?
-toxic gas
-asthma
What countries use natural gas the most?
US/Russia
What is hydroelectric used for?
Electricity/water storage
How is hydroelectric power generated?
Water spins turbines in dams
What are the environmental problems with hydroelectric power?
Evaporation, habitat alteration, sediment behind dam
What are human health problems with hydroelectric?
Reservoirs of water can breed mosquitos in tropical countries
What is the most abundant fossil fuel?
Coal
What is Nuclear used for?
Electricity, weapons, naval ships
How is nuclear power generated?
Nuclear fission; burned, water boils, steam spins turbines to release electrons
What are the environmental problems with nuclear power?
Accidents, disposal of spent fuel rods, thermal pollution
What are human health problems caused by nuclear?
Thyroid cancer, leukemia, birth defects, radiation poisoning
Which energy sources produce no emissions or greenhouse gases?
Hydroelectric, nuclear