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Natural and manmade materials

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Annie Pau
Annie Pau
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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.
Sources Natural Materials Objects 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 Table 1: Objects made of natural materials
Man-made Objects Materials Plastic Containers, ruler, bottle, straw, cup Synthetic cloth Net, tent, raincoat, umbrella (nylon, rayon, polyester) Table 2: Objects made of man-made materials
Natural materials Man-made materials • Wood • Plastic • Metal • Synthetic cloth • Leather • Soil • Cotton • Fur • Rubber • Silk • Petroleum • Natural gas • Coal
• 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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Natural and manmade materials

  • 2. What are NATURAL materials? • Natural materials are materials that come from plants, animals and rocks.
  • 3. What are MAN-MADE materials? • Man-made materials are materials obtained from natural materials through chemical processes.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19. Sources Natural Materials Objects 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 Table 1: Objects made of natural materials
  • 20. Man-made Objects Materials Plastic Containers, ruler, bottle, straw, cup Synthetic cloth Net, tent, raincoat, umbrella (nylon, rayon, polyester) Table 2: Objects made of man-made materials
  • 21. Natural materials Man-made materials • Wood • Plastic • Metal • Synthetic cloth • Leather • Soil • Cotton • Fur • Rubber • Silk • Petroleum • Natural gas • Coal
  • 22. • Man-made materials are produced from petroleum. • Petroleum is a natural material. • This shows that man-made materials come from natural materials.
  • 23.
  • 24. Why Tyre nowadays is more durable than the Tyre in the ancient time?