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Study Guide Chapter 1 Earth
Science
Minerals of the Earth’s Crust
1.The groupings silicate and nonsilicate minerals are based on
.
2.A silicate mineral must contain:
3.Nonsilicate minerals include: 1
4.In addition to reclamation, a good way to reduce the environmental effects of
mining is to:
5.The color of the powder that a mineral leaves on a piece of white, unglazed
porcelain is called the mineral’s:
6.What are the four characteristics of all minerals?
7.What are the classes of nonsilicate minerals?
8.Halides form when fluorine, chlorine, iodine, or bromine combine with any of
the following elements EXCEPT
a. sodium.
b. potassium.
c. calcium.
d. oxygen.
9.What is a mineral deposit that is large and pure enough to be mined called?
10.What kinds of mines are open pit and quarry mines?
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
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Minerals of the Earth's Crust
Name ______________________________ Class ___________________ Date __________________
11.What is the name for nonmetallic minerals that are valued for their beauty and
rarity rather than their usefulness?
Terms to know:
12.naturally formed, inorganic solid with a definite crystalline
structure
luster
13.tendency of some minerals to break along smooth, flat
surfaces
hardness
cleavage
mineral
14.natural mineral deposit that is large enough and pure
enough to be mined for profit
density
ore
15.the ratio of mass to volume of a substance
fracture
16.the way a surface reflects light
chemical reaction
17.a material’s resistance to being scratched
18.tendency of a mineral to break along a curved surface
optical property
19.the special property that causes some minerals to glow
under ultraviolet light
radioactivity
20.the special property of some minerals that can be detected by
a Geiger counter
21.the special property that some minerals show when they
come in contact with acids
fluorescence
magnetism
nonmetallic minerals
metamorphic rocks
22.the special property of some minerals to attract iron
surface mines
23.the special property of calcite that causes a double image
pegmatites
24.open pits, quarries, and some coal mines
metallic minerals
25.used to make electronic equipment and aircraft parts
26.large, teardrop-shaped bodies of magma where many
gemstones can form
27.formed by changes in pressure, temperature, or chemical makeup
28.used to make concrete and glass products
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
38
Minerals of the Earth's Crust