UNIT 4

3rd PRIMARY

MATTER

• All objects have mass and they take up space around us. We call this MATTER.

TYPES OF MATER

• PURE SUBSTANCE. One compound

TYPES OF MATTER

• HETEROGENEOUS MIXTURES. We can see the different ingredients and separate them.

TYPES OF MATTER

• HOMOGENEOUS MIXTURES. We can not see the diferent ingredients

STATES OF MATTER

• SOLID

• LIQUID

• GAS

ACTIVITIES

• 1.- Look at these mixtures. Decide which are homogeneous and which are heterogeneous mixtures.

A

B

C

ACTIVITIES

• 2.- Write two examples of pure substances

• 3.- Write an example of solid.• 4.- Write an example of liquid. • 5.- Write an example of gas