Plastic and Polymers

A chain of repeating units (called monomers)

• monomer

• dimer

• replicate

• polymer

A polymer made in the laboratory (or industry) usually made from petrochemicals

• nature polymer

• natural polymer

• protein

• synthetic polymer

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

• thermoset

• thermoplastic

• elastomer

• kevlar

Which of the following is a type of natural polymer?

• Sodium Alginate

• poly vinyl acetate

• polystyrene

• polytetrafluoroethylene

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

The birefringence effect that occurs when a polymer is viewed between two polarizing filters represents the _________________ regions of the polymer.

• Crystalline

• Amorphous

• Cross-Linked

• Branched

A thermoplastic polymer will be ______________________.

below its glass transition temperature.

• soft and flexible

• rigid and brittle

• translucent

• rubbery

Which of these is the best example of how the polymer molecules are arranged in Teflon tape?

• 
• 
• 
• none of the above

Tags

NGSS.HS-PS1-3

Polymers are huge chains of repeating organic units called ___

• single cells

• monomers

• lone pairs

• base units

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

• reinforced

• thermoplastic

• thermoset

• fortified