U4L1E3: Materials Science and Design

This type of material has good workability:

• Metal

• Ceramic

This type of material is generally pretty brittle (breaks easily)

• Metal

• Ceramic

• Alloy

Metal substances are made up of…

• Atoms

• Molecules

Ceramic substances are made up of…

• Atoms

• Molecules

• Ionic compounds

This type of bonding occurs in metals and alloys

• Metallic

• Ionic

• Covalent

• Intermolecular forces

A chain of repeating units (called monomers)

• monomer

• dimer

• replicate

• polymer

Which of the following determine the properties of a polymer?

• chemical nature of the monomer

• length of the polymer chain

• how the monomers are joined together

• All of the above

Once formed, it can be heated and reformed over and over again

• thermoset

• thermoplastic

• elastomer

• kevlar

The advantage(s) of plastic is/are

• Strong in nature

• Light in weight

• Poor conductors of Electricity

• Corrosion resistant

A composite material is made of 

• A single material
• Two or more separate materials
• Two or more chemically combined materials
• None of these