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What is the first law of thermodynamics?
Conservation of energy
What is the nature of energy in the universe?
Energy will spread out uniformly
What does the 2nd Law of Thermodynamics state?
Entropy or the process of loss
How does heat loss move energy between matter?
Heat losses move energy between matter
How do electromagnetic waves move energy between points in space?
EM waves move energy between points in space
What happens to energy each time it gets transferred or transformed?
Some of it (and then eventually all of it) gets less useful
What does entropy measure?
The amount of disorder in a system
How is energy generated in the man-made energy cycle?
Burning of a fuel
What types of energy resources are possible?
Fossil fuels- mostly stored by the plant-animal energy cycle
Does our use of fossil fuels outweigh replacement?
Yes
What are some important types of energy?
coal, oil, natural gas
What are some renewable types of energy?
hydroelectric, geothermal, biomass, solar, wind
What are some important types of nuclear power?
fission and fusion
What is fission?
breaking a heavy nucleus apart using slow neutrons
What is the most common source of energy generation in the US?
fossil fuel
What is one advantage of fusion?
Simple and relatively cheap
What is one disadvantage of fusion?
Fuel production
What is the calorie output per gram for fusion?
1 calorie
What is the calorie output per gram for gasoline?
10 calories
What are the two types of reactors for fusion?
Light water reactors, boiling water reactors
What is the most common type of reactor in the U.S.?
Pressurized water reactors
What are heavy water reactors used for in fusion?
Coolant and moderator
What happened at Three Mile Island?
Reactor overheated and system shutdown
What were the consequences of the accident?
Gas release and closure of TMI-2
What changes were made to U.S. reactors?
Design changes were mandated
What were the main issues in the Chernobyl disaster?
Cheap materials used in containment building
What caused the Chernobyl disaster?
Design problems and prohibited control rod configuration
What were the consequences of the Chernobyl disaster?
Over 9,000 deaths and widespread dispersion of radioactive material
What is one remaining problem after the Fukushima Daiichi disaster?
Nuclear waste disposal