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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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Questions
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Answers
1
How might increased volcanic activity influence global biodiversity?
It would decrease oxygen levels
It could lead to mass extinctions due to habitat destruction
It would increase soil fertility worldwide
Volcanic ash would promote plant growth
2
How does an increase in volcanic activity contribute to changes in ocean pH?
By releasing oxygen into underwater ecosystems
Through the cooling effect on ocean temperatures
increase the levels of CO2 in the atmo and the ocean that reduce pH level
Through the direct deposit of solid lava into the ocean
3
If Earth's mantle became cooler, what changes would you expect in the rock cycle?
Faster erosion of rock material
More rapid rock formation processes
Slower rates of tectonic activity and slower rock formation
Increased metamorphic rock production
4
Which factor most influences the rate of weathering?
Rock type
Human activity
Tectonic plate movement
Wind patterns
5
If tectonic plates stopped moving how would Earth's topography change
The ocean basins would rise
The surface would become more mountainous
New mountain ranges would form rapidly
Mountain ranges would erode away
6
How does volcanic ash affect the Earth's climate after a significant eruption?
It decreases global temperatures by reflecting sunlight back into space.
It increases global temperatures by trapping heat in the Earth's atmosphere
It has no effect on global temp but increases oxygen levels in the atmo
It increases global temperatures by absorbing more sunlight.
7
What geologic feature is most likely found at a divergent boundary
Mid Ocean Ridge
Fault lines
Mountain Ranges
Ocean Trenches
8
How might tectonic plate movement impact the long-term water cycle on Earth?
It slows down the water cycle
No significant impact
Tectonic uplift can change river flow pattern and create new lake and basin
Tectonic movement has no influence on water systems
9
Which of the following gases released during a volcanic eruption contributes most to the formation of acid rain
Sulfur Dioxide
Oxygen
Nitrogen
Carbon Dioxide
10
Which type of boundary is most likely to create a mountain range?
Transform
Divergent
None
Convergent
11
What is a key difference between a divergent and a convergent boundary?
Both create new crust
Convergent create new crust while divergent destroy it
Neither creates nor destroys crust
Divergent create new crust while convergent destroy it
12
How does the type of rock impact the local environment?
Metamorphic rock causes earthquakes.
Weathered rock creates soil which promotes the growth of plants.
Igneous rock releases toxic chemicals into the air.
Sedimentary rock influences volcanic eruptions.
13
Earthquakes are represented by the gray dots. Which location would be the most likely place for the fault line in NC
West of Charlotte
North of Charlotte
South of Raleigh
East of Raleigh
14
Which of the following is true about mantle convection?
It only affects the ocean floor
It has no effect on plate tectonics
It drives the movement of tectonic plates
It causes the mantle to cool rapidly
15
The concept of mantle convection is most closely related to which of the following physical processes?
A cool sea breeze is blown onto land where it warms and rises.
The generation of electricity through solar panels.
The circulatory system of the human body.
A greenhouse traps light energy making it warmer than the surrounding area
16
How does volcanic activity affect the geosphere?
It forms new rock layers through the deposition of lava
It creates ocean ridges
It lowers mountain ranges
It breaks apart tectonic plates
17
Analyze how volcanic eruptions contribute to the rock cycle
They erode existing rock
They transform sedimentary rocks into metamorphic rocks
They slow down the rock cycle
They form new igneous rocks from the solidified lava
18
What type of boundary forms the San Andreas fault in California
Transform
Divergent
Convergent
19
On a map there are signs of convergent spots between tectonic plates. What would not be found at this location
Mid-Ocean Ridges
Mountain Ranges
Volcanic Islands
Deep Ocean Trenches
20
Which type of rock forms at divergent boundaries due to volcanic activity
Igenous
Sedimentary
Metamorphic
21
The Earth contains four layers: Which of the following best describes how Earth's density and temp influence convection
crust is the densest and hottest layer and provides energy for convection
core is the densest and hottest layer which provides energy for convection
The density and temperature are constant throughout all layers
mantle is the densest and hottest layer which provide energy for convection
22
What drives the movement of tectonic plates?
Magnetic fields
Gravitational pull
Wind patterns
Convection currents in the mantle
23
Which boundary type is associated with the formation of volcanic island arcs?
Divergent
Transform
Subduction zones
Convergent
24
Evaluate the role of hotspots in the formation of island chains.
Hotspots lead to volcanic chains as plates move over them
Hotspots only affect continental plates
Hotspots are only found in ocean trenches
Hotspots prevent islands from forming
25
Where do most earthquakes and volcanoes occur?
Along tectonic plate boundaries
At the center of tectonic plates
In the oceans
On mountain tops
26
How do convection currents influence plate tectonics?
They create new landmasses
They cause plates to rotate
They push plates downward
They drive the movement of plates on the Earth's surface
27
Which process is responsible for creating new soil
Subduction
Weathering and erosion
Plate movement
Magma intrusion
28
Which statement most accurately explains why the Ring of Fire contains so many active volcanoes?
Transform plate boundary are powered by convection causing volcani activity
Mantle convection generates sea-floor spreading, forming the Ring of Fire.
The Ring of Fire has hot spots that form active volcanoes.
It is along convergent plate boundaries, leading to volcanic activity
29
How do plate tectonics primarily influence topography?
By regulating the Earths magnetic field and atmospheric circulation pattern
By controlling the distribution of climate zones.
By determining the area of mountain ranges and the formation of landforms
By controlling the distribution of ocean currents.
30
How do scientists predict the locations of future earthquakes?
By studying ancient maps
By using satellite images
By observing mountain growth
By monitoring tectonic plate movement
