Matter

Do you have mass and take up space? You matter.

States of Matter

Classification of Matter

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Properties

Chemical Properties

The ability for a substance to change from one to another


  • flammability
  • toxicity
  • heat of combustion

Physical Properties

Ability for a substance to change but not turn into a different substance

  • color
  • melting point
  • smell

Changes

Chemical Changes

Substance becomes a different substance during the change


How to Tell if a Chemical Reaction Occurred:


  • Bubbles
  • Color change
  • Precipitate forms
  • Temperature changes
  • Change in volume occurrs

Examples:


  • rusting of iron
  • baking a cake

Physical Changes

Substance stays the same substance after the change


Examples:


  • Dying your hair
  • Crushing a can