Mixtures and Pure Substances
Matter is any material that takes up space and has mass.
Where’s the matter?
Matter can be solid, liquid, or gas.
Properties describe the characteristics of matter. Every material has its own set of properties.
Properties Colour Odour Taste Feel Density Boiling Point Melting Point
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!
Properties of Chocolate Chip Cookie? What colour? What taste? What melting point? Two sets of properties!
Heterogeneous matter is described using more than one set of properties. Homogeneous matter is described using one set of properties.
Homogeneous or Heterogeneous?
Homogeneous materials Matter Heterogeneous materials Properties Summary