Changes of state (AQA GCSE Physics): Flashcards
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15 cards from this deck
Particle arrangement in solids
Particle arrangement in solids
Tightly packed in regular pattern
Particle movement in solids
Particle movement in solids
Vibrate but cannot move freely
Particle arrangement in liquids
Particle arrangement in liquids
Close together but not in fixed pattern
Particle movement in liquids
Particle movement in liquids
Can move past each other and move randomly
Particle spacing in gases
Particle spacing in gases
Spread far apart
Why gas particles move very quickly
Why gas particles move very quickly
They have lots of kinetic energy
Type of change during state changes
Type of change during state changes
Physical changes (not chemical)
Can state changes be reversed?
Can state changes be reversed?
Yes, they can be reversed
Mass during state changes
Mass during state changes
Conserved - stays exactly the same
Temperature during actual state change
Temperature during actual state change
Stays constant
Melting process
Melting process
Solid → liquid
Freezing process
Freezing process
Liquid → solid
Evaporation process
Evaporation process
Liquid → gas
Condensation process
Condensation process
Gas → liquid
Sublimation process
Sublimation process
Solid → gas (skips liquid stage)