Heating & Cooling Graphs (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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Practise the cards
13 cards from this deck
Flat lines on heating graphs mean
Flat lines on heating graphs mean
Substance is changing state, not increasing temperature
Flat lines on cooling graphs mean
Flat lines on cooling graphs mean
Substance is changing state, not decreasing temperature
Melting point of ice/water
Melting point of ice/water
Boiling point of water
Boiling point of water
Why no temp change during melting
Why no temp change during melting
Energy is used to change state
Why boiling takes longer than melting
Why boiling takes longer than melting
Evaporation takes more energy
Energy during melting & evaporating
Energy during melting & evaporating
Energy is absorbed
Energy during freezing & condensing
Energy during freezing & condensing
Energy is released
Definition of sublimation
Definition of sublimation
Solid goes straight to gas
Example of sublimation
Example of sublimation
Dry ice (solid )
State change at condensation point
State change at condensation point
Gas condenses into liquid
State change at freezing point
State change at freezing point
Liquid freezes into solid
State change at melting point
State change at melting point
Solid melts into liquid