MATERIALS

We classify natural materials in:

• Animals, plants and ground.

• Plants, animals and floor.

• None

• Plastic, wood and metal

A raincoat is made of plastic because plastic __________

• Floats in water.

• Is waterproof.

• None

A window is made of glass because glass is __________

• Transparent.

• Smooth

• Soft

Which are the man-made materials?

• Clay and metal.

• Plastic and wood.

• Plastic and glass.

Natural or man-made?

• Natural.

• Man-made.

• Wood.

Wood:

• Float and is hard.

• Waterproof and transparent

• Is flexible and soft.

Rubber

• Hard.

• Transparent and rough

• Is waterproof and flexible

The material used to make these rubeer slippers is:

• Man-made

• Natural

Which object is waterproof?

• 
• 
• 
• 

Which is a natural material?

• Crocodile.

• Clouds.

• Clay.

• Rainbow.