Changes of State & the Particle Model (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
14 cards from this deck
Three states of matter
Three states of matter
Solid, liquid, gas
Arrangement of particles in solids
Arrangement of particles in solids
Very close together in regular pattern
How solid particles move
How solid particles move
Vibrate in fixed positions only
Key movement of liquid particles
Key movement of liquid particles
Can slide past each other
Spacing of gas particles
Spacing of gas particles
Far apart
Energy level of gas particles
Energy level of gas particles
Lots of kinetic energy
Reversibility of state changes
Reversibility of state changes
Physical changes - completely reversible
Mass during state changes
Mass during state changes
Stays exactly the same
Temperature during state change
Temperature during state change
Stays constant
Melting
Melting
Solid to liquid when heated
Freezing
Freezing
Liquid to solid when cooled
Evaporation
Evaporation
Liquid to gas when heated
Condensation
Condensation
Gas to liquid when cooled
Sublimation
Sublimation
Solid directly to gas