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Rocks And Minerals
Test Description: Semester 1
Instructions: Answer all questions to get your test result.
1) Which type of rock is created by compacting and cementing (lithification) of weathered rocks?
A
metamorphic
B
foliated
C
igneous
D
sedimentary
2) Which is NOT a characteristic of a mineral?
A
Naturally occuring
B
Organic
C
Crystal structure
D
Solid
3) Which mineral property determines whether is mineral can scratch another mineral or be scratched by some object?
A
Luster
B
Cleavage
C
Hardness
D
Streak
4) Which rock is described: form deep under the surface; high heat and/or pressure; foliated or nonfoliated
A
igneous
B
sedimentary
C
intrusive
D
metamorphic
5) Igneous rocks form when magma/lava cools and hardens. Which type of igneous rock is fine grained and cools quickly?
A
Intrusive igneous
B
Nonfoliated igneous
C
Extrusive igneous
D
Foliated igneous
6) Which mineral property creates a powder when the mineral is rubbed on a tile plate?
A
hardness
B
luster
C
streak
D
cleavage
7) Which type of rock can be organic and contain fossils?
A
mafic
B
metamorphic
C
igneous
D
sedimentary
8) What is the main difference between rocks and minerals?
A
Minerals must be organic, but rocks can be inorganic only.
B
Minerals must be composed of rocks, but rocks are not composed of minerals.
C
Rocks and minerals are the same thing.
D
Rocks must be composed on minerals, but minerals are not composed of rocks.
9) Why is oxygen not a mineral?
A
It is a gas and minerals must be liquids.
B
It is a solid and minerals must be gases.
C
It is a gas and minerals must be solids.
D
It is a liquid and minerals must be solid.
10) How could you create a model of a metamorphic rock with an Airhead candy?
A
Press down really hard with warm hands (heat and pressure)
B
Melt it and let it cool (melting and cooling)
C
Roll it into a ball and eat it (weathering and erosion)
D
Tear it apart and stick the pieces back together (compacting and cementing)
11) Which type of rock can become an igneous rock?
A
Metamorphic rocks
B
Igneous rocks
C
All rocks could become igneous rocks
D
Sedimentary rocks
12) Which is NOT a way scientists classify rocks?
A
color
B
composition
C
how they form
D
texture
13) Coal is a type of rock that forms from compacting of swamp plants. Which type of rock is it?
A
coal is not a rock
B
igneous
C
metamorphic
D
sedimentary
14) Which is NOT true about the rock cycle?
A
Rocks follow a specific order and path in the rock cycle
B
Any rock can become any other type of rock with the right processes
C
Weathering and erosion create sediments that can form sedimentary rocks
D
Metamorphic rocks form under intense heat and pressure
15) What is stratification?
A
When metamorphic rocks melt into magma
B
When igneous rocks form on the surface from lava
C
The layers of rocks and sediments that form sedimentary rocks
D
The fossils found in some sedimentary rocks
16) Stone Mountain formed long ago as magma cooled underground. What type of rock is Stone Mountain?
A
Intrusive igneous since it hardened (solidified) underground
B
Organic sedimentary since is formed a long time ago
C
Foliated metamorphic since it forms underground
D
Stone Mountain is a mineral and not a rock
17) If you find an igneous rock that has a rough and bumpy texture (coarse-grained), how did it most likely form?
A
quickly and inside the Earth
B
slowly and inside the Earth
C
slow and on the Earth's surface
D
quickly and on the Earth's surface
18) For a sedimentary rock to become metamorphic, what would need to happen first?
A
The sedimentary rock would need to become buried and undergo heat and pressure.
B
The sedimentary rock would need to compact and cement.
C
The sedimentary rock needs to melt and then cool.
D
The sedimentary rock would need to weather and erode as pieces of rock called sediment.
19) Where do most sedimentary rocks form (compact and cement)?
A
At the bottom of the ocean or lake
B
Deep under the surface of Earth
C
In a volcano
D
In the Earth's core
20) Orthoclase is a 6 on Mohs Hardness scale. Calcite is 3 on the scale. Which statement is true?
A
Orthoclase will always scratch calcite.
B
Neither mineral will scratch the other.
C
Calcite will scratch orthoclase.
D
Orthoclase will sometimes scratch calcite.
*select an answer for all questions
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