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1.1.- RAW MATERIALS
1.2.- NATURAL MATERIALS
1.3.- PROCESSED MATERIALS
2.- MECHANICAL PROPERTIES
·HARDNESS
·TOUGHNESS
·DEFORMABILITY
·DUCTILITY
·MALLEABILITY
3.- TYPES AND EXAMPLES OF MATERIALS
3.1.- WOODS
3.2.- METALS
3.3.- PLASTICS
3.4.- TEXTILES
3.5.- CONSTRUCTION MATERIALS

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Are materials taken directly from nature that we process into other material to make products with.

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We prepare or define raw material to obtain it.

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When we process raw material, they become processed material.

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·Hardness. This is the resistance of a material to being scratchedor pierced.
·Toughness.This is the resistance of a material to being broken when we strike it.
·Deformability. This is the ability of a material to be deformed.
·Ductility.This is the ability of a material to be stretched into a wire.
·Malleability. This is the ability of a material to be pressed or rolled into a sheet.

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·Natural:
latex.
·Synthetic:
PVC, milamine, silicone, polyethylene, polypropylene, latex, ñylon, bakelite,...etc

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·Ferrous metals:
iron, steel, cast metal,...etc
·Non-ferrous metals:
zinc, gold, silver, copper, chromiun, nickel, aluminium, tin, lead,...etc

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·Natural wood:
pine, beech, oak, cherry, ebony...etc
·Man-made wood:
plywood, chipboard.
·Derivatives:
paper, cardboard, cork.

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·Natural:
animal (wool, silk,...etc).
·Synthetic:
lycra, nylon,viscose, polyester, acrilic,...etc

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·Stone:
marble, slate, clay,...etc
·Binders:
plaster, cement, concrete,...etc
·Ceramic:
bricks, tiles, stoneware, porcelain, glass,...etc