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Earth Science 2021 Midterm Review Flashcards | StudBud
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Earth Science 2021 Midterm Review
Earth Science 2021 Midterm Review
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1
All of the following are evidence of plate tectonics EXCEPT
the vertical distribution of ocean organisms
an increase in the age of rocks with distance from mid ocean ridge
ocean floor topography
the magnetic patterns on either side of the mid ocean ridge
2
___________ was the first astronomer to use a telescope for viewing the universe
Kepler
Aristotle
Newton
Galileo
3
What best describes a super giant?
Cool and Bright
Hot and Dim
Cool and Dim
Hot and Bright
4
Which layer of Earth is composed primarily of solid iron?
1
3
2
4
5
Based on the data in the table, the half-life of Carbon-14 is
17,190
11,460
0
5,730
6
What causes the various plates of the litosphere to move over time?
magnetic reversals of the north and south poles
subduction zones at continental margins
hot spots forming under continents
convection currents in the mantle
7
This diagram shows the bedrock beneath some hills. What process primarily responsible for forming the hills?
faulting
folding
volcanism
deposition
8
Most minerals do NOT split apart evenly. Instead, they have a characteristict type of
fracture
hardness
crystal
luster
9
The oldest rock layer is on the bottom. Which law of relative dating states this fact?
the law of cross cutting relationships
the law of uniform processes
the law of deposition
the law of superposition
10
A student finds a rock that contains small pieces of sea shells. What rock did she most likely find?
organic sedimentary
Foliated metamorphic
Igneous intrusive
igneous extrusive
11
Based on the map, which point is the Earthquakes epicenter
B
A
C
D
12
The Mid-Atlantic Ridge exists between the African and South American plates. Which occurs at the Mid-Atlantic Ridge?
Creation of new continents
Destruction of underwater mountains
Subduction of tectonic plates
Sea floor spreading
13
Which location on the graph best represents a star with average brightness and temperature?
Location B
Location A
Location D
Location C
14
Which does NOT result in mountain formaiton?
collisions between continental and oceanic crust
subduction of one oceanic plate beneath another oceanic plate
deposition and isostasy
deformation caused by collisions between two or more continents
15
Which section of rock is the oldest?
3
1
2
4
16
Jonah wants to test the effectivenes of different brands of hand sanitizers. What would be the independent variable?
The amount of hand sanitizer used
The different brands of hand sanitizers
The number of people tested
How many times the experiment is repeated
17
Sedimentary rock that is made up of rock fragments that become compacted and cemented together is called
inoganic
clastic
organic
chemical
18
Which of the following is NOT a benefit of space exploration to areas outside of astronomy?
Smaller, lighter televisions
automobile navigation systems
more precise predictions of solstices and equinoxes
More accurate weather forecasts
19
To describe a rock's texture, geologist determine -
the size, shape and pattern of the rock's grains
the luster of the rock
the color and density of the rock
how many minerals the rock contains
20
A theory differs from a hypothesis because a theory...
explains something without giving evidence
is not testable by experiment or observation
is only a guess about cause and effect
explains a large body of evidence and has been testee many times
21
Rocks found on the ocean floor are 180 million years old. During which era could the ocean rocks have formed?
Triassic
Precambrian
Mesozic
Paleozoic
22
The milkyway galaxy is what type of galaxy
Irregular
Spiral
Oblong
Eliptical
23
Which section of rock is an example of an igneus intrusion
2
1
3
4
24
Which of the following was primarily responsible for the development of life outside of the oceans?
a decrease in atmospheric carbon dioxide
a decreaes in atmospehric hydrogen
an increase in atmospheric oxygen
an increase in atmospheric nitrogen
25
This area of land with a variety of surface features is viewed from above. What caused the shift of surface features?
a volcanic intrusion
a fault
a road
a flowing stream