Physics energy-2

UNIVERSITI PENDIDIKAN SULTAN IDRIS

WHAT IS ENERGY??? ,[object Object],[object Object],[object Object]

FORMS OF ENERGY NUCLEAR ENERGY SOUND ENERGY ELECTRICAL ENERGY CHEMICAL ENERGY LIGHT ENERGY HEAT ENERGY KINETIC ENERGY POTENTIAL ENERGY MECHANICAL ENERGY ENERGY

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THE SUN AS THE PRIMARY SOURCE OF ENERGY #The sun generates a large amount of energy by nuclear fusion. ENERGY OF THE SUN ENERGY IN WIND,WAVES AND RAIN ENERGY IN FOSSIL FUELS (natural gas,petroleum,coal) ENERGY IN PLANTS,ANIMALS AND HUMAN BEINGS ENERGY FOR OPERATING APPLIANCES (e.g. SOLAR CALCULATORS,SOLAR COOKERS)

SOURCE OF ENERGY #There are several sources of energy: SOURCE OF ENERGY SOLAR(SUN) WIND WAVES AND TIDES HYDRO(FLOWING WATER) GEOTHERMAL BIOMASS FOSSIL FUELS

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RENEWABLE AND NON- RENEWABLE ENERGY SOURCE # Renewable sources are energy sources which cannot be used up;they are always available # Non- renewable sources are energy sources which will be used up one day ENERGY SOURCES RENEWABLE #SOLAR #HYDRO #WIND #WAVES #TIDES #BIOMASS NON-RENEWABLE # FOSSIL FUELS *COAL *NATURAL GAS *PETROLEUM # GEOTHERMAL #NUCLEAR

CONSERVING ENERGY SOURCES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Physics energy-2

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