Properties and Changes with Akash

Learning Science Is Fun

Physical Properties

A characteristic of a substance that can be observed without changing the substance into something else.
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Examples

  • When a liquid is at it's boiling point
  • Hardness like when you feel how hard an object
  • Length like you measuring the length of an object

Chemical Properties

A characteristic that is observed when a substance interacts with another substance.
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Examples

  • Rusting of Iron
  • Burning wood
  • Mixing baking soda with vinegar

Physical Change

A change that alters the form or appearance of a substance but does not make the material into another substance.
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Examples

  • Crushing a can
  • Mixing sand and water
  • Breaking a glass

Chemical Change

A change in matter that produces new substances.
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Examples

  • Milk going sour
  • Cooking a egg
  • Explosion of fireworks

Five Indicators

  • Odor
  • Color
  • Temperature
  • Precipitate
  • Gas Production