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Sources of Energy #2

6th Grade Science Sources of Energy

What is the difference between renewable and nonrenewable resources? Nonrenewable energy resources are available in limited supplies. This is usually due to the long time it takes for them to be replenished. Renewable resources are replenished naturally and over relatively short periods of time.
What is an inexhaustible resource? Renewable energy; any energy that can't be used up.
Name 3 examples of an inexhaustible resource. Solar, wind and water energy.
Are rocks and minerals classified as renewable or nonrenewable? Nonrenewable.
What are fossil fuels? Ancient forms of life.
How was coal formed? The remains of plants under pressure.
How does a coal burning power plant work? By burning it.
Without fossil fuels what would happen to our economy? There would be no transportation.
What is an alternative energy resource? Anything but fossil fuels.
How do nuclear power plants produce electricity? Splitting atoms.
Energy from the sun is considered an _____ supply. inexhaustible
What is a photo-voltaic cell? A cell that transforms energy.
What is geothermal energy? Energy from the ground.
How is geothermal energy used? It heats up homes.
What is a heat pump used for? For heating homes.
What is hydroelectricity? Energy from moving water.
How is hydroelectricity produced? The turbines spin and make electricity.
How do tidal plants generate electricity? Falling water goes through a turbine.
How do we get electricity from the wind? The moon.
Created by: blakelyk