Composite materials

How are ceramic materials made?

• By heating and cooling a substance

• By adding many small molecules together

• Using electricity

Which of the following is a typical use for a ceramic?

• Car

• Bathroom sink

• Clothing

• Boat

What type of material is a house brick?

• Polymer

• Composite

• Ceramic

• Alloy

What type of material is reinforced concrete?

• Rock

• Polymer

• Ceramic

• Composite

What name is given to a very long molecule made from smaller repeating units?

• Monomer

• Ceramic

• Polymer

• Composite

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

• It is environmentally-friendly

How do you call a reaction that absorbs heat from its surroundings?

How do you call a reaction that transfers heat to its surroundings?

In reinforced concrete, aggregate and steel rods (rebar) are...

• Binders

• the matrix

• the filler

• reinforcement

In reinforced concrete, cement is...

• part of the reinforcement

• part of the matrix

• useless

• exothermic