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MATERIALS - Coggle Diagram
MATERIALS
RAW MATERIALS
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Raw materials are substances extracted directly from natural objects.
They are classified into:
Vegetable origin: cotton, wood, cork, linen.
Mineral origin: marble, clay, iron.
Animal origin: wool, silk, hides.
FROM RAW MATERIALS TO MATERIALS
Physical process: changes state but not chemical composition.
Raw materials are transformed by physical and chemical processes into materials.
Chemical process: changes chemical composition and creates a new substance.
MANUFACTURED GOODS
The manufacturing process:
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A manufactured good is any object created by humans to satisfy needs and improve living standards.
