Synthetic polymers

True or false: Synthetic polymers occur in nature, and do not need to be produced by humans

• True

• False

Protein is an example of which kind of polymer

• synthetic

• natural

synthetic polymers tend to have_____ melting points

• high

• low

Synthetic polymer tend to poor conductors of ______

• only heat

• only electricity

• heat and electricity

• neither

Plastics are made of_______

• hydrocarbons

• biological compounds

• alcohols

• only carbon

which kind of polymer softens when heated and consists of individual polymer chains with little cross-linking

• thermoset

• thermoplastic

• protein

• monomers

What kind of polymer hardens when heated and consists of heavily cross-linked polymer chains

• thermoset

• thermoplastic

• protein

• monomer

Will this plastic soften or harden when heated?

• Soften

• Harden

Will this palstic soften or harden when heated?

• Soften

• Harden

Which type of plastic is easier to recycle?

• Thermoplastic

• Thermoset

• Both are easy to recycle