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UNIT 7, KINETIC ENERGY, POTENTIAL ENERGY, MECHANICAL ENERGY, ELECTRICAL…
UNIT 7
FORMS OF ENERGY
ELECTRICAL ENERGY
VARIOUS SOURCES.
CHEMICAL
CHEMICAL REACTION.
MECHANICAL ENERGY
POTENTIAL+KINETIC
SOUND ENERGY
VIBRATIONS THAT WE HEAR.
POTENTIAL ENERGY
ENERGY STORED IN OBJECTS.
LIGHT ENERGY
FASTEST FORM OF ENERGY
KINETIC ENERGY
MOVEMENT OF AN OBJECT.
HEAT ENERGY
THERMAL ENERGY THAT FLOWS.
HEAT
THERMAL CONDUCTORS AND INSULATORS
THERMAL INSULATORS
NOT TRANSFER HEAT EFFECTIVELY.
THERMAL CONDUCTORS
TRANSFER HEAT EFFECTIVELY.
WAYS OF TRANSFERRING HEAT
CONVECTION
TRANSFER HEAT THROUGH GASES OR LIQUIDS.
CONDUCTION
DIRECT CONTACT BETWEEN MATERIALS.
THERMAL CONDUCTORS.
RADIATION
HOT OBJECT.
EFFECTS OF HEAT
EVAPORATION
BECOMES A GAS.
EXPANSION
VOLUME INCREASES.
MELTING
BECOMES A LIQUID.
LIGHT
REFLECTION
ROUGH SURFACE
DIFFERENT DIRECTIONS.
MIRRORS
THE BEST REFLECTION.
SMOOTH SURFACE
SAME DIRECTION.
REFRACTION
LENSES
CURVED GLASS OR PLASTIC.
