Science Review

Such as rocks, seashells, soil, and gold.

• Environment

• Man-made material

• Natural material

Such as plastic, glass, and steel.

• Environment

• Man-made material

• Natural material

Which of the following makes lots of pollution?

• plastic

• paper

• wood

It is made from both natural and man-made materials.

• metal

• plastic

• cloth

It is made from trees.

• cloth

• paper

• plastic

A shiny material that electricity and heat can pass through easily.

• metal

• wood

• paper

A type of man-made cloth.

• durable

• alloy

• polyester

To press something firmly.

• Squeeze

• Twist

• Bend

Tough; able to last a long time.

• versatile

• absorb

• durable

It can absorb water easily.

• metal

• cotton

• plastic