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WorksheetsRock Type Review
Total questions: 25
Worksheet time: 18mins
Name
Class
Date
1.
Rock Texture: Small crystals, glassy texture
Rock Type: __________
Examples:____________
Rock Type: __________
Examples:____________
a)
Extrusive; Pumice, Obsidian
b)
Intrusive; Pumice, Obsidian
c)
Extrusive; Granite, Pegmatite
d)
Intrusive; Scoria, Basalt
2.
Rock Texture: Large crystals, coarse grained
Type of Rock:______________
Examples:_________________
Type of Rock:______________
Examples:_________________
a)
Extrusive; Pumice, Obsidian
b)
Intrusive; Scoria, Pumice
c)
Extrusive; Granite, Pegmatite
d)
Intrusive; Granite, Gabbro
3.
What Should be placed in the box labeled 1?
a)
Sedimentary Rock
b)
Igneous Rock
c)
Metamorphic Rock
d)
Sediments
4.
Box number 5 represents --
a)
Metamorphic rock
b)
Sedimentary rock
c)
Igneous rock
d)
Molten rock
5.
Rock layers tell a story about their past. What is the basic assumption that is made when reading this story?
a)
The composition of the Earth's atmosphere has been constant.
b)
The processes in the rock cycle were the same in the past as they are today.
c)
The Earth's crust cooled and then remelted before rock layers began to form.
d)
Chemical reactions in the past were slower than they are today.
6.
Obsidian, Pumice, and Scoria lack crystals because-
a)
They cooled too slowly
b)
They cooled deep inside Earth
c)
Not enough minerals were present where they formed
d)
They cooled too quickly
7.
The rock shown is composed primarily of large crystals that were formed by-
a)
cooling magma
b)
faulting
c)
weathering
d)
compacting shells
8.
Of these igneous rocks, which would contain the largest crystals?
a)
Obsidian
b)
Granite
c)
Rhyolite
d)
Pumice
9.
What does box number 2 represent?
a)
Metamorphic rock
b)
Sedimentary rock
c)
Igneous rock
d)
Sediment
10.
What should be placed in the box labeled 3?
a)
Sedimentary rock
b)
Igneous rock
c)
Sediment
d)
Metamorphic rock
11.
Sedimentary rocks are classified according to-
a)
Organic material present
b)
Chemistry
c)
Color
d)
The process that formed the particles
12.
In which type of rock are fossils most likely to be found?
a)
Metamorphic
b)
Igneous intrusive
c)
Igneous extrusive
d)
Sedimentary
13.
The rock shown is classified as what type of rock?
a)
Clastic metamorphic rock
b)
Organic metamorphic rock
c)
Foliated metamorphic rock
d)
Nonfoliated metamorphic rock
14.
Which rocks are incorrectly classified?
a)
Conglomerate and Gneiss
b)
Pumice and Schist
c)
Obsidian and Shale
d)
Marble and Quartzite
15.
The rock shown is classified as what type of rock?
a)
Clastic metamorphic rock
b)
Organic metamorphic rock
c)
Foliated metamorphic rock
d)
Nonfoliated metamorphic rock
16.
In the diagram, which processes created this rock?
a)
Melting and reformation
b)
Heat and pressure
c)
Deposition and sedimentation
d)
Weathering and erosion
17.
What does box number 4 represent?
a)
Igneous rock
b)
Sedimentary rock
c)
Metamorphic rock
d)
Molten rock
18.
According to the diagram, why will Phyllite NOT form at a depth of 15km and a temp of 800 degrees C?
a)
It would not solidify
b)
It would melt
c)
It would become a sedimentary rock
d)
There is not enough moisture at that temperature
19.
When granite is subjected to high enough amounts of heat and pressure to change it but not melt it, granite changes into-
a)
A Metamorphic rock
b)
Sediments
c)
An Igneous rock
d)
A Sedimentary rock
20.
bedding in which the particle sizes become progressively heavier and coarser toward the bottom layers.
a)
cross bedding
b)
graded bedding
21.
the primary feature of sedimentary rocks is horizontal layering.
a)
bedding
b)
cementation
22.
metamorphic rocks are composed mainly of minerals that form with blocky crystal shapes.
a)
foliated
b)
non foliated
23.
high temperature and pressure affect large regions of Earth's crust, they produce large belts
a)
regional metamorphism
b)
contact metamorphism
24.
when very hot water reacts with rock and alters its chemical and mineral composition, __________ occurs
a)
contact metamophism
b)
hydrothermal metamorphism
c)
regional metamorphism
25.
formation of sedimentary rock occur in what stages in order
a)
erosion, deposition, lithification, weathering
b)
weathering erosion, deposition, lithification
c)
deposition, lithification, weathering, erosion
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