This type of renewable energy comes from the sun.
Solar energy.
Coal, oil, and natural gas are all examples of this type of energy.
Nonrenewable energy.
Wind turns this to help generate electricity.
Turbine.
This is a benefit of renewable energy: it produces little to no ______.
Pollution.
Pollution is harmful to what planet?
Earth.
This type of energy is stored and ready to be used.
Potential energy.
Oil and gasoline are this.
Nonrenewable energy.
Water flowing through a dam spins this to generate electricity.
Turbine.
This is a disadvantage of solar energy: it does not work well at night or when it is ______.
Cloudy or dark (nighttime).
This type of air pollution creates a thick, hazy cloud over cities.
Smog.
This type of energy is the energy of motion.
Kinetic.
This renewable energy source uses moving _____ to generate electricity by their giant propellers/blades.
Air.
Solar panels convert sunlight into this form of energy.
Electricity.
This is a disadvantage of wind energy: it depends on how much ______ is available.
Wind/air.
This effect happens when gases trap heat in Earth’s atmosphere.
Greenhouse effect.
Liquid hydrogen and liquid nitrogen combine to create what kind of energy?
Chemical energy.
This renewable energy source uses heat from inside the Earth.
Geothermal energy.
A generator converts mechanical energy into this type of energy.
Electricity.
This is a disadvantage of hydroelectric power: building dams can harm this.
Ecosystems.
Burning fossil fuels releases this gas that contributes to climate change.
Carbon Dioxide (CO₂).
When sunlight is converted into electricity by solar panels, this process is called what?
Energy transformation.
This nonrenewable energy source is used in nuclear power plants and produces radioactive waste.
Uranium.
Renewable energy, like solar, allows people to generate their own electricity at home, reducing dependence on what?
Utility companies.
This is a major disadvantage of fossil fuels: they release gases that contribute to this problem.
Climate change.
This nuclear disaster in 1986 released large amounts of radiation into the environment.
Chernobyl.