P1 Revision my revision beoh! 3.0 / 5 based on 4 ratings ? PhysicsEnergyGCSEAll boards Created by: AstridCreated on: 02-05-12 09:48 P1a - Energy and Temperature Heat is a form of energy and is measured in joules (J) Heat flow is directed by the temperature difference. if there's a temperature difference between two places then energy will flow between them Temperature measures the how hot something is and is measured in ('c) A thermagram is a generated picture that shows the temperature of certain objects and places SHC measures how much heat energy things can hold ENERGY = MASS x SHC x TEMP. CHANGE Energy is being transferred when materials melt or boil although there is no change in temperature SLH is the amount of energy needed to change the state of something ENERGY = MASS x SLH Energy is needed to break intermolecular bonds during changes of state 1 of 1
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