Complete the following statements about the crystallinity inpolymers by choosing the right answers in the[box].
Most thermoset polymers are[amorphous/crystalline] .
Some thermoplastic polymers are semi-crystalline, meaning theyhave both higherdensity  [amorphous/crystalline] regionsand lowerdensity  [amorphous/crystalline]regions.
In many semi-crystalline polymers, the polymer chains fold into[lamellae/spherulite] structures which can be partof a larger  [lamellae/spherulite]structure which is formed around a nucleation site.
In semi-crystalline polymers, the glass transition temperatureis where there is an increase in the ability of the polymer chainsto move in the  [amorphous/crystalline]regions. The melting point is wherethe  [amorphous/crystalline] regionsturn into a liquid.
