Polymers
Rubber, protein and fats are an example of what kind of polymers?
Natural polymer
Our bone is what kind of composite material?
Natural Composite Material
T or F: ceramics are moulded through high heat.
T
Materials made from long chains of repeating units.
Polymers
Another term for man-made polymer
synthetic polymer
_____ is a composite materials made from glass fiber and plastic.
Fiber glass
T or F: ceramics are used as decorative items such potteries and china plates.
T
Name one ceramic material used in kitchenware.
Porcelain dishes, ceramic tiles, or cups
structure of polymers that cannot be re-processed into different shapes upon heating
cross-linked/thermosets
What composite material is used in building bridges, skyscrapers and roads?
reinforced concrete
T or F: advanced ceramics are clay-based.
F
What are the two main components that make bone a natural composite?
Collagen and Hydroxyapatite
Synthetic polymer that is used for plastic bags, shampoo bottles, plastic cups and toys
Polyethene PE
lignin
give 3 examples of traditional ceramics
bricks, potteries, construction materials,
Give an example of a composite used in sports equipment.
Carbon fiber: bicycle frame, tennis racket, or hockey stick
strong, durable polymers used in making socks, ropes and parachutes
Nylon
What are the original materials of reinforced concrete? at least 5
steel netting, water, cement,gravel,sand, and rocks
give at least 3 examples of advance ceramics
engines, semi conductors, electrical supplies , rotors, brakes etc.
What are the disadvantages of polymers?
Non-biodegradable, Microplastic problem, Can be weaker than metals or ceramics and Can release harmful chemicals