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Earth Science Review Unit 2 Flashcards | StudBud
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Earth Science Review Unit 2
Earth Science Review Unit 2
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yay!! Unit 2, only 6 more units
Flashcards
25 cards
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Questions
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Answers
1
what is the primary source of all the materials listed in the chart
deposits within the Earth's crust
meteorites from outer space
substances extracted from ocean water
recycled and discarded waste material
2
the granite most likely was formed by the process of
erosion and deposition
compaction and cementation
heating and metamorphism
melting and solidification
3
certain minerals usually break along flat surfaces, while others don't, this is due to . . .
the luster of the mineral
the internal arrangement of the mineral's atoms
the force with which the mineral is broken
age of the mineral
4
which element comprises most of the Earth's crust by weight and volume
hydrogen
oxygen
nitrogen
silicon
5
which one of these isn't very reliable for mineral identification
streak
cleavage
hardness
color
6
which properties of rocks provide the most information about the environment it was formed in
mass, composition, and color
density, volume, and mass
color, texture, and volume
texture, composition, and structure
7
which of these minerals shown is NOT a silicate mineral
feldspar
olivine
quartz
diamond
8
the recrystallization of unmelted material under high temperature and pressure results in . . .
volcanic rock
igneous rock
sedimentary rock
metamorphic rock
9
the metamorphism of sandstone will cause the rock to . . .
to contain more fossils
to be melted
to become more dense
to occupy a greater volume
10
according to the
ESRT
, this rock is most likely to be
rhyolite
granite
basalt
gabbro
11
which property is most useful in mineral identification
size
hardness
texture
color
12
what is the main difference between metamorphic rocks and most other rocks
(m.m.r.) contain a high-amount of oxygen-silicon tetrahedra
(m.m.r.) show banding and distortion of structure
many metamorphic rocks contain only one mineral
many metamorphic rocks have an organic composition
13
which igneous rock sample contains the most quartz by volume
A
B
D
C
14
are all of these minerals silicates: quartz, orthoclase, talc, garnet, and calcite
no
yes
15
which mineral contains the greatest variety of minerals
quartz
olivine
diamond
feldspar
16
all rocks contain . . .
minerals
intergrown crystals
sediments
fossils
17
a primary identifier of sedimentary rocks would NOT be
intergrown crystals
clastic
fossils present
stratification
18
which of the following elements is the most abundant in Earth's crust
oxygen
calcium
silicon
iron
19
which characteristics would give the best evidence of the conditions under which rock is formed
the rock's mineral and color
the rock's shape and phase
the rock's structure and texture
the rock's density and size
20
approximately what percentage of Earth's crust is composed of sedimentary rock
95%
25%
5%
75%
21
which rock is most likely non-sedimentary
a rock showing mud cracks
a rock composed of distorted mineral bands
a rock consisting of layers of rounded sand grains
a rock containing dinosaur bones
22
the physical properties of a mineral are due chiefly to the . . .
number of oxygen-silicon tetrahedra
internal arrangments of its atoms
hardness and cleavage of the mineral
number of atoms present
23
according to the
ESRT,
rhyolite is an example of a
polymineralic igneous rock
monomineralic sedimentary rock
polymineralic sedimentary rock
monomineralic igneous rock
24
rocks are classified on the basis of . . .
the shape of the sample
how they were formed
the mass of the sample
their age in millions of years
25
which of these is NOT a characteristic of contact metamorphism
heat but no pressure
most metamorphic rocks are formed by contact metamorphism
hot magma forces it's way into overlying rock
not as dense as regional metamorphism
