Mixtures and Pure Substances

Matter is anymaterial 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 or Heterogeneous?

Homogeneous or Heterogeneous?

Homogeneous or Heterogeneous?

Homogeneous or Heterogeneous?

Homogeneous or Heterogeneous?

Homogeneous or Heterogeneous?

Homogeneous or Heterogeneous?

Homogeneous materials

Matter

Heterogeneous materials

Properties

Summary