MATERIALS UNIT 9

Rubber

Paper

Wood

Plastic

Fabric

Glass

Metal

Stone

Brick

Leather

Wool

Cotton

Properties of

materials

Transparent

Bendy

Rigid

Soft

Hard

Some materials are better for a purpose than others.

Windows are made of glass because glass is transparent.

Houses are made from bricks because bricks are rigid.

Magnetism

Some objects are attracted to magnets.

These objects are magnetic.

Only objects made from metal are magnetic.

The shape of some materials can be changed

by:Bending

Twisting

Stretching

Squashing

Bend

Twist

Stretch

Squash

Natural and

Manufactured

materials

Natural materials are made by nature.

Manufactured materials are made by people.

Many materials become hard when cooled and soft when heated.