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WorksheetsUnit 4 Earth Science Exam
Total questions: 50
Worksheet time: 2hrs 36mins
- The layer of the Earth that is made up of primarily nickel and iron, and gives Earth it’s magnetism
Mantle
Crust
Core
Lithosphere
This is the part of the Earth that is made up of the crust and upper mantle.
Continent
Asthenosphere
Pangea
Lithosphere
A theory proposed by Alfred Wegner, that claimed all landmasses were once joined together as a supercontinent, called Pangaea.
The Theory of Continental Drift
Paleozoic Theory
Theory of Plate Techtonics
All of the Above
Which of the following is true of convection currents?
It is evidence that supports plate tectonics.
It provides the energy for lithospheric plate movement
Hotter (less dense) magma rises, while cooler (denser) magma sinks
All of the above are true
Which of the following is true of the Theory of Plate Tectonics?
It was proposed before Alfred Wegner’s theory
It states that the Earth is broken up into lithospheric plates that are continuously moving
It was proposed following World War II, after using sonar to study the ocean floor
None of the above
What is the evidence to support the Theory of Seafloor Spreading?
The magnetic patterns on either side of the Mid ocean Ridge mirror each other
There is no evidence to support such theory
Youngest rock sediments are found at mid ocean ridges and oldest sediment are found at the deep sea trenches
None of the above
Type of plate boundary where there is no vertical movement. Plates simply slide past one another?
Transform Boundary
Subduction Zone
Convergent Boundary
Normal Fault
This type of boundary creates, or gives birth to new Earth.
Divergent Boundary
Convergent Boundary
Transform Boundary
All of the Above
When two continental versus continental plates collide, what is often formed?
Mid-Ocean Ridge
Rift Valley
Mountain
Volcano
Which of the following geological processes often occur at divergent boundaries?
eruption of volcanoes
formation of new crust
minor earthquakes
all of the above
A real world location where a divergent boundary exists and can even be physically seen?
California
The Ring of Fire
The Appalachian Mountains
Iceland
A landform that is created by a convergent boundary, and the location where old crust is recycled?
mid-ocean ridge
deep ocean trench
volcano
earthquake
The Appalachian, Himalayan, and Andes Mountains of South America, where created at this type of boundary.
a subduction zone, where oceanic and continental crust collide
a transform boundary
a convergent boundary, where continental and continental crust collide
a divergent boundary
The San Andreas fault zone ( an area of high earthquake activity) of California, is an example of a _______________ boundary.
convergent
transform
convection
divergent
A type of volcano that is steeper, more explosive, and has a magma with greater gas content?
shield
composite
rift valley
hot spot volcano
Volcanoes can be formed at the following plate boundarie(s)?
convergent
transform
divergent
All of the above
True or False : All volcanoes form at plate boundaries
true
false
True or False : rift valleys form at convergent boundaries
true
false
True or False : Mount St Helens in Washington state is an example of a composite volcano at a subduction zone
true
false
True or False : Gas content of magma has a direct relationship to the explosiveness of a volcano
true
false
True or False : the magma from a composite volcano has a greater viscosity or resistance to flow, than a shield volcano
true
false
True or False : Mount Kilauea and other Hawaiian volcanoes are examples of shield volcanoes that have formed at hot spots.
true
false
True or False :Shield volcanoes have historically been more deadly than composite volcanoes
true
false
True or False : volcanoes can form lakes and reroute rivers
true
false
True or False : after a volcanic eruption, the surround land is not fertile and the ecosystem will never recover
true
false
What type of boundary exists along the Pacific Ring of Fire?
convergent
trench
transform
no boundary
How many seismograms does it take to locate the epicenter of an earthquake?
1
2
3
4
At an oceanic and continental plate convergent boundary, oceanic crust is being _________________________
created or formed
recycled or consumed
lifted
all of the above
. A subduction zone creates a __________ and __________.
mid-ocean ridge, trench
trench, volcanoes
mid-ocean ridge, volcanoes
rift valley, mountains
This wave arrives last in an earthquake, and causes the most damage.
p wave
s wave
surface wave
none of the above
Why did Wegner’s Theory of Continental Drift get rejected?
He didn't have any evidence
He could not explain how continents moved
His evidence was wrong
People didn't like him
This type of volcano has a quieter and less deadly eruption.
Composite
Convergent
Shield
Cinder
How is the amount of energy released by an earthquake currently and consistently measured?
Seismic Scale
Richter Scale
Metric System
Mercalli Scale
How much bigger are the seismic waves of a magnitude 6 earthquake than one with a magnitude of 5?
.01
1
10
100
How much more energy is released by a magnitude 6 earthquake than one with a magnitude of 5?
32
64
95
1024
This type of magma has a gas content of 1-2%, Silica content of 50%, low viscosity and least explosive.
Basaltic
Rhylotic
Granitic
Andesitic
This type of magma has a gas content of 3-4%, silica content of 60%, intermediate viscosity and explosiveness.
Basaltic
Granitic
Andesitic
Rhyolitic
This type of magma has a gas content of 4-6%, silica content of 70%, high viscosity and is the most explosive.
Basaltic
Andesitic
Rhyolitic
Marbelitic
When volcanic ash mixes with water, it forms violent mudflows called ?
Rolling Ash
Ash Flood
Lapillia
Lahar
This is where the volcanic materials that erupt are stored:
Vent
Conduit
Side Vent
Magma Chamber
The epicenter of an earthquake is
The point below the surface where rock begins to break and the first motion occurs
The place where the greatest damage occurs
The seismic station closest to the earthquake
The point on the surface directly above the focus
his famous transform fault is located in the western United States creates significant earthquake activity for California
New Madrid
Ramapo Seismic Zone
Denali Fault
San Andreas
Earthquakes under water can cause ___________________
Tornadoes
Tides
Hurricanes
Tsunamis
This earthquake is ?
Convergent
Divergent
Transform
Rift
This earthquake is ?
Convergent
Divergent
Transform
Rift
Tectonic motion caused tension between plates in Earth’s crust. A sudden release of this energy occurred. Based on this information, which event happened?
Subsidence
Volcanic Eruption
Earthquake
Asteroid Impact
Liquefaction is when.....
the soil behaves like a liquid
magma rises to the surface
the ground becomes liquid
buildings are damaged, crumbling like liquid
The P wave or primary wave .....
The center of the earthquake
Is always the first wave to arrive, causing rock to move in a back and forth direction
Is the second wave to arrive, causing rock to move in an "S" pattern
Is the last and most damaging wave to arrive, having rock move both back and forth and in the "S" pattern at the same time.
The S wave or Secondary Wave....
The center of the earthquake
Is always the first wave to arrive, causing rock to move in a back and forth direction
Is the second wave to arrive, causing rock to move in an "S" pattern
Is the last and most damaging wave to arrive, having rock move both back and forth and in the "S" pattern at the same time.
The Surface Wave....
The center of the earthquake
Is always the first wave to arrive, causing rock to move in a back and forth direction
Is the second wave to arrive, causing rock to move in an "S" pattern
Is the last and most damaging wave to arrive, having rock move both back and forth and in the "S" pattern at the same time.
