EnergyEN. KHAIRUL MIZAN BIN MORAD5 JUPITER19 APRIL 2007

IntroductionWhy is energy is needed ?Where and when is energy used ?What are the various sources of energy ?

What is energy ?

Energy has been defined as the ability to do work.

Living thingsLiving things need energy to carry out life processes such as:HUMANSMovingBreathingGrowing

Living thingsANIMALSMovingGrowingHunting

Living thingsPLANTSTo make their own food.

Non-living thingsCar and motor engines to run.Water in the kittle to boil.Ice to melt.

Sources of energy

SummaryLiving things and non-living things need energy.There are many sources of energy in this world.