11. 2 Steam Energy Energy that comes from the push of steam.
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Transcript of 11. 2 Steam Energy Energy that comes from the push of steam.
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Steam Energy
Energy that comes fromthe push of steam
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When water boils,it turns into a gas
This gas is calledsteam
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Steam can push objects and move
them
Any matter that is moving is using
mechanical energy
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Steam is a source ofmechanical energy
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Steam is madein a boiler
A boiler has a large tankand a furnace
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The tank holds water,and the furnace burns fuel
to heat the water
Coal, oil, and wood are three (3)kinds of fuel used to
produce steam
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When the fuel burns,the chemical energy stored in it
changes into heat energy
The heat energyheats the water in the boiler
andchanges it into steam
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You have learned that wind and water
can turn wheels with blades
Steam can also turn wheels with blades
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Steam Turbine
A kind of wheel with bladesthat is moved by steam
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The energy from steam turbinescan be used in many ways
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Many large shipsget their energy from
steam engines
The steam turbines on these ships
turn the ships’ propellers
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Propellers make the shipsmove through the water
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Steam turbinesare also used to make
electricity
Energy from the turbinesis used to run generators
which make electricity
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Many large electric power plantshave steam turbines