Study

Matter

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  • CHANGE OF STATE IN WATER: From liquid to solid…
    Solidification
  • Milk is a solid.
    False. It is a liquid.
  • Solids have always the same shape.
    True
  • When you heat liquid water over …..it evaporates.
    100 Celsius degrees
  • When ice becomes water…is it a physical or a chemical change?
    Physical
  • CHANGE OF STATE IN WATER: From liquid to gas…
    Evaporation
  • When you heat solid water over …..it melts.
    0 Celsius degrees
  • Ice is gas.
    False. It is solid
  • CHANGE OF STATE IN WATER: From solid to liquid…
    Melting
  • Solid, liquid or gas?
    Solid
  • A stone, will float or sink into the water? Why?
    Sink, because its density is higher.
  • A cork, will float or sink into the water?Why?
    Float. Because its density is lower.
  • RUSTING: Is it a physical o chemical change?
    Chemical
  • Say 2 properties of matter (different from mass and volume).
    Colour, size, shape, hardness, texture, flexibility…
  • Volume is measured in kilograms. True or false?
    False
  • Say the 2 most important properties of matter.
    Mass and volume
  • CHANGE OF STATE IN WATER: From gas to liquid….
    Condensation
  • Matter is everything that exists. True or false?
    True
  • Solid, liquid or gas?
    Gas
  • Gases expand to occupy all the space.
    True
  • BURNING: Is it a physical or a chemical change?
    Chemical
  • Liquids adapt to the container.
    True
  • Solid, liquid or gas?
    Liquid
  • What is the meaning of hardness?
    Dureza