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What is a type of fuel that is a solid?
Coal
List three types of fossil fuels.
coal, oil, natural gas
Why are fossil fuels nonrenewable?
we are using fossil fuels faster than they are being made
List three types of renewable energy sources.
wind, water, sunlight, geothermal energy
What does ethanol come from and why is it renewable?
Ethanol comes from corn; it can be converted quickly to make fuel
True or False: energy from moving water can be converted into electricity
True
How can an electric car run without fossil fuels?
The car can use green energy (ex. from wind) that can be stored in a battery for the car to use.
What are TWO reasons algae is a good renewable fuel source.
It can grow again and again; it grows quickly; the oil is makes is high-energy
True or False: a car engine must have fossil fuels to work.
False
Which extremely flammable gas is most commonly burned for fuel in a home?
Natural gas (methane) is used for heating, cooking, and general electricity
