Different materials have different properties. Ceramics are hard and strong, but brittle. Polymers are strong and tough, and often flexible. Composite materials combine two or more materials.
How are ceramic materials made?
By heating and cooling a substance
By adding many small molecules together
Which of the following is a typical use for a ceramic?
What type of material is a house brick?
What type of material is reinforced concrete?
Which of the following properties applies to most ceramics?
What name is given to a very long molecule made from smaller repeating units?
Which of the following is a polymer?
Why is poly(ethene) used for plastic bags?
It is strong and flexible
It is a good conductor of heat
It is a bad conductor of electricity
Why is disposing of polymers difficult?
They are poisonous
They do not biodegrade easily
They are very heavy
Why is reinforced concrete a good building material?
It is waterproof
It is very lightweight