Study

Particle Theory

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  • Number 2 shows a ___________.
    liquid
  • Which state of matter is this?
    Solid
  • Which state of matter has the weakest attractions between particles?
    Gases
  • What happens to particles when they get hotter?
    They move faster
  • Which liquid has the highest density in this photo?
    Honey
  • Which word means the power to do work?
    Energy
  • Which word means to move quickly back and forth? (think of a phone)
    Vibrate
  • You put an inflated balloon into the freezer? What will happen and why?
    The balloon will deflate because the gas particles get colder and move less.
  • What happens to particles when they get colder?
    They move slower.
  • A student added sugar to a cup of water and stirred it. The sugar disappeared. Why?
    The sugar dissolved in the water.
  • Which state of matter has particles that can move past each other?
    Liquids
  • True or False? Particles are always moving.
    True
  • What is the volume of the rock?
    About 10 mL
  • Which change of state is from a gas to a liquid?
    Condensation
  • Do the volume and shape of solids change?
    No, they have a fixed volume and a fixed shape.
  • Which state of matter has tightly-packed particles?
    Solids
  • All matter is made up of tiny _________.
    particles
  • What are the three states of matter?
    Solid, liquid, gas
  • Which state of matter is this?
    Gas
  • Which word means the amount of space that something takes up?
    Volume
  • Which change of state goes from a liquid to a gas?
    Evaporation or boiling
  • Which liquid has the lowest density in this photo?
    Lamp oil
  • Which state of matter is this?
    Liquid
  • At higher temperatures, the particles in an object ___________.
    move faster