( A ) Rubber and silk are natural materials.
For example: Eraser
( B ) Plastic and synthetic cloth are man-made
materials
For example: Plastic Bag
Lesson 28: Natural and Man-made Materials
Materials are either natural materials or man-made materials. Natural materials are found in nature. Man-made materials are made by man.
( A ) Rubber and silk are natural materials.
For example: Eraser
( B ) Plastic and synthetic cloth are man-made
materials
For example: Plastic Bag
( A ) Rubber and silk are natural materials.
For example: Eraser
( B ) Plastic and synthetic cloth are man-made
materials
For example: Plastic Bag
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