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Rocks And Minerals
Test Description: Chapter 14
Instructions: Answer all questions to get your test result.
1) The formation of igneous rocks would be most closely associated with:
A
erosion.
B
deposition.
C
heat.
D
weathering.
2) The “hardness” of a mineral means its ability to resist being:
A
crushed with a hammer.
B
scratched by other solid materials.
C
melted by subjecting it to heat.
D
broken by dropping it onto a hard surface.
3) A student tested a mineral sample by tapping it with a hammer. It broke along flat surfaces. The mineral property demonstrated by the student’s test is:
A
density.
B
specific gravity
C
cleavage.
D
porosity.
4) Classifying rocks as igneous, sedimentary, or metamorphic is based on differences in their:
A
hardness.
B
particle size.
C
age.
D
formation.
5) Which of the igneous rocks cooled most quickly?
A
Obsidian
B
Rhyolite
C
Andesite
D
Pegmatite
6) When layers of sediment are pressed together, it is known as:
A
cementing.
B
intrusive.
C
compaction.
D
crystallizing.
7) A metamorphic rock can be formed when heat and pressure change:
A
All of the above
B
sedimentary rocks.
C
igneous rocks.
D
metamorphic rocks
8) Quartz and feldspar are two inorganic, solid, naturally-occurring substances that are each an example of a(n) _______________.
A
intrusive
B
extrusive
C
rocks.
D
minerals.
9) The cooling and crystallizing of lava or magma cause the formation of _______________ rock
A
igneous
B
metamorphic
C
all of the above
D
sedimentary
10) Coal is formed when the remains of plants are buried by sediment and compressed between other rocks. Which rock type would best describe coal?
A
Sedimentary
B
Igneous
C
Sediment
D
Metamorphic
11) What process must occur for igneous rock to form from existing rock?
A
Lava must erupt from a volcano.
B
The rock must be eroded.
C
Heat must melt the rock.
D
Pressure must act on the rock.
12) Which best describes the rock cycle?
A
a method to identify the composition of crystals and minerals
B
the shifting of tectonic plates as they move over the Earth’s surface
C
a process to describe how different types of fossils are transformed into rocks
D
a series of processes describing how one type of rock can become another type of rock
13) Which mineral bubbles with HCl (hydrochloric acid)?
A
Halite
B
Calcite
C
Galena
D
Sulfur
14) Heat and pressure can transform igneous rock into metamorphic rock. What processes can transform igneous rock into sedimentary rock?
A
erosion and cementation
B
heat and pressure
C
convection and radiation
D
melting and cooling
15) Which mineral cleaves in thin sheets or one direction?
A
Gypsum
B
Talc
C
Calcite
D
Muscovite (mica)
16) Which property test is the least helpful?
A
color
B
cleavage
C
luster
D
streak
17) Which mineral forms when water evaporates from a solution of salt and water?
A
Quartz
B
Calcite
C
Halite
D
Gypsum
18) What is the way the mineral shines in light?
A
color
B
luster
C
streak
D
cleavage
19) Streak is the color of a mineral's ___________.
A
Surface
B
Reflection
C
Powder
D
Shadow
20) What is the numeric scale used to express the hardness of minerals?
A
Mineral Mode Scale
B
Mohs Scale
C
Wiseman scale
D
Hard Count Scale
*select an answer for all questions
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