Natural and manmade materials

311,145 views 24 slides Oct 27, 2012
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Natural and Man-made Materials

What are NATURAL materials? Natural materials are materials that come from plants , animals and rocks .

What are MAN-MADE materials? Man-made materials are materials obtained from natural materials through chemical processes .

Natural Materials

Name: Shoe Made of : Leather

Name: Tyre Made of : Rubber

Name: Balloon Made of : Rubber

Name: Chair Made of : Wood

Name: Spoon Made of : Metal

Name: Clay pot Made of : Clay

Man-made Materials

Name: Net Made of : Nylon

Name: Plastic ruler Made of : Plastic

Name: Raincoat Made of : Synthetic cloth

Name: Plastic bottle Made of : Plastic

Name: Cup Made of : Plastic

Name: Plastic bag Made of : Plastic

Plants Wood Chair, table, cupboard Rubber Balloon, tyre , glove Cotton T-shirt, cloth, scarf Animals Fur Hat, sweater Silk Cloth Leather Handbag, belt, shoes Rocks Metal Spoon, kettle Soil Vase, claypot Sources Natural Materials Objects Table 1: Objects made of natural materials

Plastic Containers, ruler, bottle, straw, cup Synthetic cloth (nylon, rayon, polyester) Net, tent, raincoat, umbrella Man-made Materials Objects Table 2: Objects made of man-made materials

Natural materials Man-made materials Wood Metal Leather Soil Cotton Fur Rubber Silk Petroleum Natural gas Coal Plastic Synthetic cloth

Man-made materials are produced from petroleum . Petroleum is a natural material. This shows that man-made materials come from natural materials .

Why Tyre nowadays is more durable than the Tyre in the ancient time?
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