4. Polymers

Type of polymer that can be reshaped easily

• thermoplastic

• thermosetting

• elastomer

Polystyrene is a_______polymer

• condensation

• addition

Type of polymerization reaction which breaks the double covalent bond of monomers

• addition polymerization

• condensation polymerization

Proteins are composed of what smaller subunits?

• amino acids
• nucleic acids
• fatty acids
• nucleotides

Starch is composed of what monomers?

• sucrose
• glucose
• nucleic acids
• glycogen

Why do you think people use plastic for their products ?

• Because it's strong

• Because its very cheap and it's easy to make

• Because it's expensive

• Because it's rare and it's good for the enviorment

Define polymer

• giant circular molecule made with many repeating units

• short molecule made of a few repeating units

• a long chain molecule that is made from a combination of many repeating basic units

• chain-like molecule that contains carbon, hydrogen and oxygen atoms

What is the process to make long polymer (plastic) chains?

• Fractional Distillation

• Curing

• Fracking

• Polymerization

Polyvinyl chloride is commonly abbreviated as ___

• NYLON

• PVCl

• PVC

• Polyester

A polymer that is irreversibly hardened by curing, like polyurethane or Bakelite, is called ___

• Elastomer polymers

• Thermoplastic polymers

• Thermosetting polymers