Energy Resources and Energy Transfer

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Energy Resourcesand Energy Transfer

• What are fuels and why are they useful?

West Wight Middle School Science
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Fuels
din dins
Wood
Coal
Mineral oil
Natural gas
Butane gas
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What is a fuel?
All fuels are concentrated stores of energy.
Coal Mineral oil Natural gas Wood any
more?
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Links
Sky News Buncefield fuel depot BBC News
Buncefield fuel depot Hand Grenade in Newport,
Isle of Wight
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What fuels do these use?
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Machines
Machines change fuel energy into a different type
of energy.
ENERGY IN
ENERGY OUT
energy transfer
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Power Station A huge machine
What is a power station for?
To change the energy in mucky coal into something
more useful
Electrical energy
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Fuel For A Power Station
COAL Chemical Energy
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Other power stations use
GAS
MINERAL OIL
but they are all transfer energy.
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The power station converts the chemical fuel
energy into
electrical energy.
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Energy out
Useful energy Electricity.
Wasted energy Heat and sound.
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Steam Engine
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Steam Locomotive
Very Wasteful
Lots of noise
Lots of wasted heat
Not so much movement!
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Energy transfer
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Energy transfer
IN
OUT
Useful Movement.
converter
Wasted Heat Sound.
Chemical energy in coal.