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WorksheetsIB DP DT Topic 4.2d Plastics
Total questions: 12
Worksheet time: 6mins
Plastics can be naturally occuring.
True
False
Synthetic plastics can be made from which list of raw materials?
Charcoal, gas, crude diesel
Oil, coal, gas
Natural gas, charcoal, oil
Crude oil, gas, charcoal
Monomers join together to form polymer chains. These polymer chain can be bundled together. When this happens and the chains are linked across each other it's called a ...
Thermoplastic
Thermoset plastic
Thermoset plastics can be remolded over and over again.
True
False
Thermoplastics are usually much easier to recycle than Thermoset plastics.
True
False
Which list is all Thermoplastics?
Polyethylene Teraphthlatate, Polypropylene, Melamine
Polyurethane, Urea Formaldehyde, Poly-vinyl chloride
Acrylonitrile butadiene styrene, Polyurethane, Polyethylene
High impact polystyrene, Polyethylene, Polyethylene teraphthalate
ABS is a thermoplastic that is used for products that have high impact resistance needs. This means it is ...
Hard
Tough
Brittle
Ductile
PE is the most common form of plastic. It usually comes as...
LCPE and HCPE
LPPE and HPPE
LDPE and HDPE
LEPE and HEPE
Thermosetting plastics will change their form when exposed to high heat.
True
False
Polyurethane is a thermosetting plastic. Which list best represents the properties of Polyurethane?
good tensile strength, good thermal resistivity, can be molded with heat.
good compressive strength, good thermal resistance, tough.
good electrical insulation, hard, can be bonded easily
Melamine has a high heat resistivity and is a hard material. It is commonly used for ...
electrical sockets, insulation, textiles
adhesives, wheels, foam
kitchen utensils, plates, textiles
rigid foams, pipes, glue
Recycling plastics uses more energy but uses less raw materials.
True
False
