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Year 8 Energy - For additional resources visit: http://www.iheartscience.net
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EnergySarah Jones
www.wallsave.com
Kinetic Energy• The energy of motion.• All moving things have kinetic energy.
painincorporated.com
Potential Energy• An object can store energy – this is dependent
on position.• Includes - gravitational, chemical and elastic
energy.
www.physicsclassroom.com
Electrical Energy Kinetic Energy
Kinetic Energy Electrical Energy
Electrical Energy Sound Energy
Gravitational Energy Electrical Energy
Electrical Energy Heat Energy
Light Energy Electrical Energy
Elastic Energy Kinetic Energy
Chemical Energy Heat Energy
Gravitational Energy Kinetic Energy
Law of Conservation of Energy
• States that energy cannot be created or destroyed, just transformed from one form to another.
– Therefore, energy never ‘disappears’.
– Energy that is transferred to unwanted forms is wasted energy.
Television
Electrical Light, Sound and Heat
StereoElectrical Sound and Heat
Car Engine
Chemical Kinetic, Sound and Heat
Energy Transfers - Boardworks
Light BulbsElectrical Energy Light and Heat