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Harper Earth Science Review 1
Test Description: Lessons 14 and 15
Instructions: Answer all questions to get your test result.
1) Organic substances contain large amounts of
A
sodium
B
carbon
C
nitrogen
D
nickel
2) An inorganic solid substance that occurs naturally and has a definite chemical composition and structure.
A
mineral
B
talc
C
rock
D
crystal
3) Which of the following is NOT used to help identify an unknown mineral?
A
luster
B
density
C
streak
D
temperature
4) A color of a mineral in its powder form
A
crystal
B
density
C
luster
D
streak
5) A minerals ability to reflect light.
A
luster
B
streak
C
density
D
hardness
6) Which of the following tools would NOT be useful in identifying an unknown mineral?
A
steel file
B
glass plate
C
porcelain plate
D
magnifying glass
7) The hardness of a mineral is measured on the _____ scale.
A
Mineral
B
Dohs
C
Mohs
D
Moore's
8) On the Mohs scale of hardness, talc is 1, apatite is 5, quartz is 7, corundum is 9, and diamond is 10. Which statement is true?
A
A porcelain plate has a hardness of 7 and can scratch corundum
B
A window glass has a hardness of 5.5 and will scratch apatite and talc but it will not scratch corundum or diamond.
C
A penny has a hardness of 3.3 and will scratch talc, apatite, and quartz.
D
Corundum can only scratch topaz that has a harness of 8.
9) Chalcanthite and Linarite (minerals) have the same streak color, same streak color, same hardness, but different densities. What would be the most useful for identifying chalcanthite from linarite?
A
density
B
streak color
C
mineral color
D
hardness
10) A naturally occurring solid material that is made up of one or more minerals
A
rock
B
sediment
C
magma
D
lave
11) Which of the following is NOT one of the 3 main groups of rock?
A
sedimentary
B
metamorphic
C
sediment
D
igneous
12) Melted rock located below the Earth's surface.
A
lava
B
igneous rock
C
sediment
D
magma
13) Broken pieces of rock, pebbles, clay, dirt and sand
A
sedimentary rock
B
metamorphic rock
C
magma
D
sediment
14) Rock formed from being buried deep in the Earth where there is extreme heat and pressure.
A
sedimentary rock
B
igneous rock
C
basalt
D
metamorphic rock
15) Type of rock formed from compaction and cementation.
A
igneous rock
B
sedimentary rock
C
lava
D
metamorphic rock
16) Type of rock formed from melted magma that has cooled
A
sodium rock
B
metamorphic rock
C
sedimentary rock
D
igneous rock
17) When rocks are broken down from weathering and erosion, they form
A
igneous rocks
B
metamorphic rocks
C
sedimentary rocks
D
sediments
18) In an illustration of a volcano near an ocean, this type of rock is formed from the lava.
A
sedimentary rock
B
metamorphic rock
C
igneous rock
19) In an illustration of a volcano by an ocean, this top of rock forms near the surface.
A
igneous rock
B
sedimentary rock
C
metamorphic rock
20) The thinnest layer of Earth is the
A
crust
B
mantle
C
inner core
D
outer core
*select an answer for all questions
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