87%
What is the amount of CO2 emitted by humans just from burning fossil fuels?
Renewable Energy
What is the second most common power source?
A type of hydropower that is difficult to control
What is run-of-river power?
Instead of water, this natural resource is used to power turbines
What is wind?
Geothermal power relies on this to power the turbine
What is steam?
Coal, oil, natural gas
What are fossil fuels?
Process of splitting atoms for to generate power
What is nuclear fission?
Flow of river, rainfall, and temperature
What can impact power production in rivers?
This is one of the biggest challenges with wind energy
What is efficiency?
Cooling tower, steam, turbine, generator, how water, injection well
What are the parts of a geothermal power plant?
Nonrenewable resources
What is the main source of power for engineering developments?
Radioactive waste
What does nuclear fission produce?
Hydroelectric dam
What is the most common type of hyropower?
This can't be controlled to control power generation
What is wind power?
Hot, volcanic rocks near the Earth's tectonic plates
What is the heat source for a geothermal power plant?
Resources that are being used faster than they are being produced
What are nonrenewable resources?
Generator, power cables, transformer, tower, switchyard
What are the parts of a turbine?
Reservoir, dam, intake, turbine, river
What are the elements of a hydroelectric dam?
This happens when power is transported over long distances
What is losing energy?
Italy and Iceland
What are the two main places in the world for geothermal energy?
80%
What percent of power in the United States was nonrenewable in 2017?
Wind power, solar power, geothermal power and hydropower
What are the most common renewable resources?
Used to control the production of energy
What is an intake valve?
Big open fields with wind turbines
What are wind farms?
Drilling and searching for conditions that are exactly right
What makes geothermal power expensive?