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What is energy?
Energy is the ability to do work.
What is the main source of energy for Earth?
The Sun
What form of energy does the Sun give us?
Light and heat energy.
What are fossil fuels?
Coal, oil, and natural gas
How do we get energy from fossil fuels?
By burning them.
What do solar panels collect?
Light energy from the Sun.
What energy is produced by solar panels?
Electrical energy.
What does a generator produce?
Electricity.
What are alternative sources of energy?
Wind, water, geothermal energy, atoms, and biofuels.
What does a windmill use?
Wind energy.
What is geothermal energy?
Heat from inside the Earth.
What is nuclear energy?
Energy stored in the centre of an atom.
What are biofuels made from?
Living matter.
Are biofuels renewable?
Yes, they are renewable.
Give two examples of renewable energy.
Solar energy and wind energy.
Why should we conserve energy?
Because some energy sources are limited.
