MATERIALS

All objects we use are made of materials.

Materials can be:

Natural Man made

Natural materials

Materials that come from plants, animals and rocks.

Example:

ivory

clay

leather

wool wood

straw

Man made materials

Example:

Bricks

GlassSteel

Plastic bottlePaper

How a material looks and feels like is called its property.

Materials have different properties that

make them useful for different jobs.

1) Shiny or dull.

2) Rough or smooth

3) Hard or soft

4) Strong or weak

5) Water proof or absorbent

6) Transparent, translucent or opaque

7) Flexible or rigid

8) Elastic or inelastic

9) Magnetic or non-magnetic

10) Heat conductor or insulator

Properties

Teddy bear