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gr 4 matter revision

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  • Ton is the unit of measuring ………………………….
    mass
  • It is the change in the structure of a substance producing a new substance with different properties .(Structure changed)
    chemical change
  • it is the change of matter from a solid into a liquid state by heating
    melting
  • Meter is the unit of measuring ………………………….
    length
  • kilogram is the unit of measuring ……………………….
    mass
  • It is a change in the appearance of a matter without a change in its structure.
    physical change
  • It is a chemical change .occur when iron is left in wet (humidity) & air (oxygen)
    iron rust
  • It is the space occupied by matter.
    volume
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