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Energy
Energy definations
Question | Answer |
---|---|
Energy | Energy is the ability to do work. |
Energy resources | they provide us with energy. |
Work | Anything we do using chemical energy appling a force that makes something move. |
Fuel | materials with stored chemical energy which is burnt to supply power and heat. |
Fossil fuels | remains of dead plants and animalsmade millions of years ago. |
Coal | An impure form of carbon. |
Natural Gas | methane |
Crude oil | A thick black smelly liquid obtained from the ground. |