Physical Science, New York Edition

Chapter 25: New Materials Through Chemistry

New Materials Through Chemistry

1.
Which of the following metals is an alloy?
A)Lead
B)Tin
C)Brass
D)Aluminum
2.
__________ are substances composed of long chains of repeating units.
A)Ceramics
B)Monomers
C)Polymers
D)Synthetics
3.
Bronze is a mixture of the metals __________ and __________.
A)silver,gold
B)copper, silver
C)copper, tin
D)copper, lead
4.
__________ are a large class of versatile materials that are usually compounds of metallic elements and carbon, nitrogen, and sulfur.
A)Metalloids
B)Ceramics
C)Nonmetals
D)Alloys
5.
__________ is an organic fiber used in bulletproof vests.
A)Aramid
B)Ceramic
C)Graphite
D)Fiberglass
6.
Why is bronze, not brass, used to make hardware that will be exposed to salt water?
A)Brass will corrode in salt water.
B)Bronze corrodes more quickly in salt water.
C)Bronze contains zinc.
D)Bronze is more malleable than brass.
7.
Which of the following is not a property of ceramics?
A)chemical resistance
B)resistance to extreme temperature changes
C)hardness
D)thermal conductivity
8.
Iron replaced the use of bronze in tool and weapons because __________.
A)it did not rust
B)it was stronger
C)it was ductile
D)it was more plentiful
9.
Which of the following is used to make the alloy steel?
A)silver
B)iron
C)aluminum
D)magnesium
10.
If a material wears away slowly by a chemical reaction, it is said to __________.
A)corrode
B)synthesize
C)polymerize
D)degrade
11.
__________ is the ability of a metal to be pulled into wires.
A)Ductility
B)Conductivity
C)Malleability
D)Luster
12.
A __________ is a mixture of two materials in which one is embedded in the other.
A)substance
B)composite
C)reinforcement
D)solution
13.
Scientists began to synthesize polymers in what century?
A)eighteenth
B)twentieth
C)nineteenth
D)twenty-first
14.
Ceramics derive their strength from __________.
A)steel reinforcements
B)their nonmetal components
C)their dense internal structures
D)rapid temperature changes
15.
A metal that reflects light or appears shiny is said to have __________.
A)luster
B)malleability
C)refraction
D)ductility
16.
A mixture of a metal with one or more elements is called a(n) _________.
A)ceramic
B)alloy
C)metalloid
D)compound
17.
Which of the following is the best choice for a satellite material?
A)reinforced steel
B)aluminum
C)graphite composite
D)ceramic
18.
Which of the following is considered a polymer?
A)gold
B)silver
C)diamond
D)copper
19.
Which of the following is a composite?
A)ceramic tiles on space shuttle
B)glass
C)fiberglass body of a boat
D)wrought iron fence
20.
Which of the following is a property of synthetic polymers?
A)extremely rigid
B)chemical resistant
C)heavy
D)fragile
Physical Science - New York Edition
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