Textbook Notes (368,799)
Canada (162,168)
Geography (102)
GGR214H5 (4)
Feng Deng (4)
Chapter 4

Chapter 4 GGR214

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Department
Geography
Course
GGR214H5
Professor
Feng Deng
Semester
Summer

Description
Chapter 4Energy is the capacity to do workWe see energy as lightWe feel energy as heatWe experience energy as movementLaw of conservation of energy Energy can never be created of destroyed But can be transformed from one form to another and transferred from one object to anotherEnergy can be transferred in two ways1 As heatconductionconvectionRadiation2 As workHeat is energy being transferred as a result of temperature differenceAddition of heat causes molecules to move faster Kinetic energy Recall that temperature is the measure of average speed of moleculesInternal energy is the total energy contained in the molecules of a substanceThermal energyKinetic energy of moleculesTemperature changesPotential energyAttractive forces between the moleculesPhase changesQmcTCthe amount of heat in
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