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EnergyEN. KHAIRUL MIZAN BIN MORAD5 JUPITER19 APRIL 2007
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IntroductionWhy is energy is needed ?Where and when is energy
used ?What are the various sources of energy ?
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What is energy ?
Energy has been defined as the ability to do work.
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Living thingsLiving things need energy to carry out life
processes such as:HUMANSMovingBreathingGrowing
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Living thingsANIMALSMovingGrowingHunting
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Living thingsPLANTSTo make their own food.
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Non-living thingsCar and motor engines to run.Water in the
kittle to boil.Ice to melt.
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Sources of energy
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SummaryLiving things and non-living things need energy.There are
many sources of energy in this world.
