1) What is the particle model? a) Atoms in motion b) Matter made of particles c) Energy in waves d) Forces between objects 2) What happens to particles when heated? a) They stop moving b) They move faster c) They shrink d) They change color 3) What is density? a) Mass per volume b) Weight per area c) Volume per mass d) Height per width 4) What state has fixed shape and volume? a) Gas b) Liquid c) Solid d) Plasma 5) What is sublimation? a) Solid to liquid b) Liquid to gas c) Solid to gas d) Gas to solid 6) What does Brownian motion show? a) Particles are still b) Particles move randomly c) Particles are large d) Particles are charged 7) What is the unit of density? a) kg/m³ b) N/m² c) J/kg d) m/s² 8) What is internal energy? a) Energy of particles b) Energy of waves c) Energy of light d) Energy of sound 9) What is specific heat capacity? a) Heat per mass b) Energy to raise temperature c) Heat per volume d) Energy to change state 10) What is latent heat? a) Heat to change state b) Heat to increase volume c) Heat to decrease mass d) Heat to change color

GCSE Physics: Particle Model

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