Lau Wing Ni 3A (27) Chan Amy Wai Sum 3A (21) Lam Ka Yee 3A (26) Tse Wing Yin 3A (36) Tsui Ka Lam 3A (37) Yuen Lai Shan 3A (41)

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Presentation transcript:

Lau Wing Ni 3A (27) Chan Amy Wai Sum 3A (21) Lam Ka Yee 3A (26) Tse Wing Yin 3A (36) Tsui Ka Lam 3A (37) Yuen Lai Shan 3A (41)

A member of the poor metal group of chemical elements Found primarily in bauxite ore The most abundant in the earth's crust Has the symbol Al and atomic number 13

Transportation (aircraft, bicycles etc.) Making cooking utensils Construction (window frames, door etc.) Making electrical transmission lines Making the spectacle frames Packaging

A long chain hydrocarbon with every other carbon A polymer made from the monomer styrene, which is a liquid hydrocarbon Produced either as a solid or as a foamed plastic Usually low in price

Biology (Petri dish and test tube) Package for food Protect articles from breakage Water-based paint

Properties of polystyrene and aluminum PolystyreneAluminum 1) TransparentDull gray appearance 2) Resistant to acids, alkalis, oils, and alcohols Highly resistant to corrosion 3) Insulator of electricity Conductor of electricity 4) Low densityLow density

Uses of polystyrene and aluminum in daily life PolystyreneAluminum 1) Make transparent containers Transportation (aircraft, bicycles, etc.) 2) Packaging for foodConstruction (window frames, door, etc.) 3) Used as disposable foam cups and food boxes Make aluminum cans

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