Mixtures and Pure Substances

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Mixtures and Pure Substances
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• Matter is any
• material that
• takes up space
• and has mass.

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Wheres the matter?
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• Matter can be solid, liquid, or gas.

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Properties describe the characteristics of
matter. Every material has its own set of
properties.
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Properties of Matter

• Colour
• Odour
• Taste
• Feel
• Density
• Boiling Point
• Melting Point

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• Some properties of water?
• It is colourless
• It is tasteless
• It is odourless
• It exists in three states solid, liquid, gas.
• It has a high specific heat capacity.
• It freezes at 0 degrees Celsius.
• It boils at 100 degrees Celsius.
• ONE SET OF PROPERTIES!

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Properties of Chocolate Chip Cookie?
What taste?
What melting point?
What colour?
Two sets of properties!
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• Homogeneous matter
• is described using one set
• of properties.

• Heterogeneous matter
• is described using more than one set of
  properties.

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Homogeneous or Heterogeneous?
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Homogeneous or Heterogeneous?
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Homogeneous or Heterogeneous?
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Homogeneous or Heterogeneous?
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Homogeneous or Heterogeneous?
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Homogeneous or Heterogeneous?
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Homogeneous or Heterogeneous?
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Homogeneous or Heterogeneous?
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Summary