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Earth Science Chapter 9 Flashcards | StudBud
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Earth Science Chapter 9
Earth Science Chapter 9
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1
Which of the following is not a mineral?
asbestos
liquid water
feldspar
platinum
2
The process by which a crystal grows is called ______.
cleavage
effervescence
geophagy
accretion
3
A carat is a unit of _____
color
volume
mass
size
4
Some minerals can have more than one color.
False
True
5
What property of copper makes it a good material for plumbing pipes?
tough outer layer when it tarnishes
both
resists corrosion
6
Which of the following scientists would most likely identify, classify, and analyze silicates?
an oceanographer
a mineralogist
a seismologist
a cosmologist
7
Proper dominion of minerals involves appreciating and using their beauty as wall as their function.
False
True
8
The types of minerals that are most likely to be found in placer deposits are _____ minerals.
carbonate
native metal
silicate
native nonmetal
9
Which class of minerals makes up most of the rocks in the earth's crust?
silicates
oxides
native minerals
carbonates
10
Obsidian, a mineral of volcanic origin, breaks in smooth, curved surfaces, showing ______ fracture.
fibrous
hackle
uneven
conchoidal
11
The best conductor of electricity is _______.
sulfur
opal
diamond
silver
12
A diamond will scratch feldspar and feldspar will scratch calcite. What are the minerals hardness in the correct order?
3, 10, 6
10, 3, 6
3, 6, 10
10, 6, 3
13
Quartz is the most common mineral
True
False
14
The color of a minerals powder is called its ______.
luster
streak
15
A mineral composed of more than one chemical element would be classified as a(n) _________ mineral
native
compound
16
Which of the following is a mixture?
copper
diamond
seawater
sand(silicon dioxide)
17
Liquid water is considered a mineral.
True
False
18
A mineral composed of more than one chemical element would be classified as a _______ mineral.
mixed
crystalline
synthetic
compound
19
A geologist who studies and identifies mineral samples is called a(n)_________.
mineralogist
chemist
20
The most abundant family or class of minerals in the earth's crust is the _________.
carbonates
silicates
21
Which of the following tests would provide the best example of a minerals color?
its luster
its visual appearance
its flame test
its streak
22
Mineralogists usually have to do more than one test on a mineral to determine its identity.
False
True
23
The way a mineral reflects light from its surface is its _______.
luster
matalic
24
The Mohs scale is used to rate a minerals resistance to fracturing.
True
False
25
A mineral rated as 1 on the hardness scale is _____.
hard
rough
slippery
soft
26
Cleavage and fracture both refer to the characteristic way in which a mineral breaks.
True
False
27
All minerals are composed of two or more elements.
False
True
28
Which of the following methods is the most common for obtaining minerals and ores?
evaporation
dredging
mining
drilling wells
29
The Mohs scale is a measure of a minerals __________.
hardness
flexability
30
The uneven surface of a broken quartz crystal is a description its ___________.
cleavage
fracture
31
Which of the following is not a native mineral?
gold
silver
quartz
copper
32
A minerals crystal classification deals mostly with its _____.
color
cleavage
shape
streak
33
The system used to rate a minerals hardness is called ____.
a streak test
the Richter scale
a flame test
the Mohs scale
34
Fools gold, a mineral of iron and sulfur, is classified as _______.
sulfide
silicate
carbonate
oxide
35
When you conduct an acid test on a mineral sample, you are watching for _____.
none of these
a flame
gas bubbles
a color change
36
A diamond is composed of what element?
carbon
coal
37
Mining is a way to exercise dominion, we must be careful to maximize its benefits while minimizing its ______.
profits
wages
size
risks