Fossil Fuels
What is coal made from?
What are trees?
What does EROI stand for?
What is energy returned on investment?
Energy that holds together protons and neutrons in an atom
What is nuclear energy?
Organic material that makes up organisms and contains energy that originated with photosynthesis
What is biomass?
Uses the kinetic energy of moving water to turn turbines to generate electricity.
What is hydropower?
What are oil and gas made from?
What are marine organisms?
Do fossil fuels have high or low EROIs?
What are historically high EROIs?
The splitting apart of atomic nuclei
What is fission?
Made by fermenting carbohydrate-rich crops
What is ethanol?
What is the hydroelectric storage technique?
What is water stored in reservoirs behind dams passes through the dam and turns turbines?
Are fossil fuels a renewable or nonrenewable source?
What is nonrenewable?
What is the EROI:
Energy Produced- 36 J
Energy Invested- 3 J
What is 12?
What structure absorbs the excess neutrons to regulate the reaction rate?
What are control rods?
How does growing corn impact ecosystems?
What is the use of pesticides, fertilizers, and irrigation?
What determines the amount of power generated by hydro?
What is the distance the water falls and volume released?
The breaking of rock formations to release oil or gas trapped in shale
What is hydraulic fracking?
What is the energy invested?
Energy produced- 168 J
EROI- 84
What is 2 J?
What is one of the biggest challenges with nuclear to the public?
What is public anxiety from past accidents?
Up to what percentage of ethanol is used in U.S. gasoline?
What is 10%?
What is the two advantages of hydropower over fossil fuels for producing electricity?
What is it is renewable and efficient?
Oil shale is created when sedimentary rock is filled with what substance?
What is kerogen?
What is the energy produced?
Energy invested- 9 J
EROI- 15
What is 135 J?
What are the three advantages of nuclear?
What is zero carbon emissions, no pollution during electricity generation, and baseload power (on all the time)?
Is corn ethanol efficient or inefficient?
Hint: the EROI is 1.3 to 1
What is inefficient?
What are the negative impacts of dams?
What is destroys wildlife habitats, changes water temperature, blocks passage of fish, and disrupts natural flooding cycles?