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Particle theory, diffusion and pressure

Quiz by Matthew Szeremeta

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9 questions
Show answers
  • Q1
    What is diffusion?
    The movement of particles between different states of matter
    The movement of particles from an area of high concentration to an area of low concentration
    The movement of particles within a solid
    The movement of particles from an area of low concentration to an area of high concentration
    30s
  • Q2
    What effect does increasing the pressure have on the particles in a gas?
    They expand
    They get closer together
    They change state
    They become solid
    30s
  • Q3
    According to the particle theory, what happens to particles when a solid is heated?
    They move closer together
    They vibrate more
    They expand
    They turn into liquid
    30s
  • Q4
    What is the process of evaporation?
    The changing of a liquid into a gas at the surface
    The changing of a gas into a solid
    The changing of a gas into a liquid
    The changing of a solid into a liquid
    30s
  • Q5
    What happens to the pressure of a gas when its volume is decreased?
    It becomes solid
    It increases
    It decreases
    It stays the same
    30s
  • Q6
    What is the primary factor that affects the rate of diffusion?
    Pressure
    Size
    Temperature
    Color
    30s
  • Q7
    What happens to the particles of a gas when it is cooled?
    They move faster
    They move slower
    They change state
    They disappear
    30s
  • Q8
    What is the definition of pressure?
    The temperature of a substance
    The force exerted on a given area
    The amount of matter in a substance
    The rate at which a substance diffuses
    30s
  • Q9
    What is the main difference between a solid, a liquid, and a gas?
    The weight and density
    The temperature and pressure
    The color and appearance
    The arrangement and movement of particles
    30s

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