Study

Unit 3 Matters

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  • Most materials and substances can change from one form to another when they are heated or cooled. This is called ...
    change of state
  • A describes what a substance or material is like, or how it behaves is called ...
    property
  • particles model of ...
    solid
  • An example of solid that behave like liquid is ...
    salt, sugar, flour, sand
  • A very small part or bit of something is called ...
    particle
  • the particles can slide past one another and change places
    liquid
  • ... are made up of lots of very tiny pieces or grains.
    powders
  • It has fixed shape and fixed volume.
    solid
  • Solid substances melt when they ... heat.
    gain
  • model particle of ...
    liquid
  • It has no fixed shape and has fixed volume.
    liquid
  • An example of substance is ...
    salt, sugar, oxygen,
  • The change of state from liquid to solid is called ...
    solidifying/freezing
  • The change of state from solid to liquid is called ...
    melting
  • The spaces between the particles are very small. This property belongs to ...
    solid
  • physical change or chemical change
    chemical change
  • The particles are packed tightly together in a regular pattern. This property belongs to...
    solid
  • A pure type of solid, liquid or gas and it is not a mixture is called ...
    substance
  • the particles are also close together, but they are not packed in a regular pattern.
    liquid
  • name of the process
    solidifying/freezing
  • Is glass a material or a substance?
    material
  • name the process
    melting
  • Liquid substances solidify when they ... heat.
    lose
  • Everything around us is called ...
    matter