Fill in the blanks with the given words.
reinforced concrete
insulators
cross-linked
ceramics
melting
Superior
polymer
polymerization
non-biodegradable
hard
inert
plastic
composite
branched
monomer
1. A
is a large molecule with many repeating smaller unit of the
same kind.
2. A
is the smaller unit that joins up repeatedly to form a polymer.
3.
is a process in which monomers combine chemically to
produce a polymer.
4. There are three types of polymers based on their structures, namely linear polymers,
polymers and
- polymers.
5.
synthetic fiber and synthetic rubber are examples of
polymers.
6. Generally, synthetic polymers are
to chemicals, thermal and
electrical
เand light.
7. Synthetic polymers can cause pollution because they are
8.
are inorganic non-metallic solids that are heated to become
hard.
9. Generally, ceramics are
strong, inert to chemicals, good
insulator of electricity and heat and have high
-point.
10. A
material is formed when two or more different substances
are combined.
11. The properties of composite materials are more
properties of the original components.
than the
12. Examples of composite materials are
and fiberglass.
Chapter 3
555
Materials
