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Geo 112 (Study 1) Flashcards | StudBud
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Geo 112 (Study 1)
Geo 112 (Study 1)
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NJC Geo Chapters 1-2
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
The longest unit of time in the geologic time scale is the ______ .
period
era
eon
epoch
2
The final step of the scientfic method is ______ .
Form conclusions and report results
formulate a hypothesis
State the problem
Record data
3
What is an unconformity?
erosion surfaces between a group of sedimentary rock & rocks beneath the
erosion that occurs over a short period of time
rock along the Earth's surface
mountains that show the rock beneath the surface
4
Name this unconformity.
Disconformity
Angular Unconformity
Unconformity
Nonconformity
5
On average, Earth's tectonic plates move at about ______ .
about 5 cm per year
about 25 cm per year
10 meters per year
5 meters per year
6
According to actualism _________ .
earth has not changed over time
the laws of physics have not changed over time
earth has changed over time
many processes occurring today occurred in the past
7
Earth is _______ .
the same as it was when it was born
dormant
evolutionary
not that unique
8
Rocks formed by the cooling and crystallization of very hot liquid rock are _______.
Sedimentary
Amorphous
Igneous
Metamorphic
9
Who is the father of geology
James Hutton
William Smith
Mary Anning
Friedrich Mohs
10
According to isostasy which of the following will "float" highest on the asthenosphere?
thick, warm continental crust
thin, cool oceanic crust
thick, cool continental crust
thin, warm oceanic crust
11
If a sedimentary rock is subjected to high temperatures (not hot enough to melt) and high pressure it will convert into
a new sedimentary rock
a metamorphic rock
an igneous rock
amorphous
12
What is a Divergent boundary?
Plates collide
Plates break apart
Plates move apart
Plates slide
13
What are the three unconformities?
Angular, Disconformity, Nonconformity
Regular, Undeformed, Nonconformity
Regular, Disconformity, Nonconformity
Regular, Angular, Disconformity
14
According to catastrophism _______ .
Earth's surface rocks were made by a huge, supernatural/catastrophic flood
Earth is billions of years old
ancient rocks formed by the same processes acting today
the Earth no longer creates the same rocks as the past
15
What is
actualism
?
the laws of physics have not changed over time
the laws of physics only change when acted on
the laws of physics are always changing day-to-day
the laws of physics are subject to chance
16
Mid-ocean ridges have spreading zones to form new ocean floors.
True
False
17
Minerals are _____ .
All answers are correct
Sedimentary
Igneous
Metamorphic
18
Name this unconformity.
Nonconformity
Unconformity
Angular Unconformity
Disconformity
19
most sedimentary rocks consists of
clay, silicon, granite, limestone
quartz, clays, calcite, hematite
quartz, clay, limestone, iron
quartz, clay, basalt, iron
20
The type plate boundary where two plates are moving toward one another is the
divergent boundary
transform boundary
all of the above
convergent boundary
21
Name this unconformity.
Disconformity
Unconformity
Nonconformity
Angular Unconformity
22
A law ______.
never observed to succeed under the stated conditions
is like a theory but with less information
never observed to fail under the stated conditions
is proven by all sources
23
An igneous body, such as a dike, must be younger than the rock that it cross cuts.
False
True
24
Scientific Theory is a generally
rejected
explanation for a given set of data or observations.
False
True
25
most metamorphic rocks consist of
Quartz, Clay, Basalt, Iron
Quartz, Proxene, Calcite, Plagioclase
Quartz, Clay, Limestone, Plagioclase
Quartz, Calcite, Sandstone, Clay
26
the two componets of the earth system are physicochemical and biological.
False
True
27
Scientific Theory is explained and generally accepted ______.
By YOUR MOM
Globally
Locally
By Scientists
28
An unconformity where younger sedimentary rock is overlying older igneous or metamorphic rock is
angular unconformity
nonconformity
none of these
disconformity
29
Hypothesis is a tentative explanation that fits all the data for a specific phenomena.
True
False
30
A law does not
fully
explain how something happens.
False
True
