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Worksheetssoil and platetectonics
Total questions: 17
Worksheet time: 10mins
Name
Class
Date
1.
The youngest part of the ocean floor is found ____.
a)
at a convergent boundary
b)
at a divergent boundary
c)
at a transform boundary
d)
at a convection boundary
2.
Continental drift was not widely accepted when it was first proposed because ____.
a)
continental landmasses were too big to move slowly over Earth’s surface
b)
Wegener couldn’t explain why or how the continents moved
c)
magnetic and sonar data proved that Wegener’s hypothesis was incorrect
d)
mantle convection currents weren’t in motion at that time
3.
Crust is neither destroyed nor formed along which of the following boundaries?
a)
convection
b)
divergent
c)
transform
d)
convergent
4.
At which boundary is a trench formed?
a)
Oceanic/oceanic divergent
b)
Oceanic/continental convergent
c)
Continental/continental divergent
d)
Continental/continental convergent
5.
At an oceanic-oceanic convergent boundary, ____.
a)
new crust is created
b)
old crust is deformed or fractured
c)
old crust is recycled by subduction
d)
plates side past one another
6.
Continental-continental plate collisions produce ____.
a)
island arcs
b)
deep-sea trenches
c)
very tall mountain ranges
d)
rift valleys
7.
Features found at divergent boundaries include ____.
a)
ocean ridges
b)
deep-sea trenches
c)
crumpled mountains
8.
What runs seafloor spreading?
a)
Convection current in the ocean
b)
Weathering
c)
Radiation from the sun
d)
Convection current in the mantle
9.
Features found at divergent boundaries include ____.
a)
ocean ridges
b)
deep-sea trenches
c)
crumpled mountains
d)
rift valley
10.
The driving forces of tectonic plates are related to convection currents in Earth’s ____
a)
outer core
b)
inner core
c)
mantle
d)
crust
11.
Earth’s crust and rigid upper mantle are broken into 12 enormous slabs called plates that move
a)
plate tectonic theory
b)
sea floor spreading theory
c)
Continental Drift Hypothesis
d)
Kepler's Law
12.
How does the subduction of crustal plates influence the rock cycle?
a)
The processes of heating and melting of rock layers form the parent material for igneous rock.
b)
The processes of cementing and compaction form sedimentary rock.
c)
The parent material is provided for weathering and erosion.
d)
The intense heat and pressure forms metamorphic rock.
13.
The Appalachian Mountains formed as the result of ____.
a)
hot spot volcanism
b)
continental-continental convergence
c)
divergence on the ocean floor
d)
oceanic-oceanic convergence
14.
Where are 90% of vocanoes found?
a)
Mid-atlantic Ridge
b)
Appalachian Mountains
c)
Polar Artic Ran
d)
ring of fire
15.
To support his hypothesis of continental drift, Alfred Wegener did NOT use
a)
magnetic field data.
b)
data on ancient reptiles and ferns.
c)
evidence from rock formations.
d)
ancient climatic evidence.
16.
To support his hypothesis of continental drift, Alfred Wegener did NOT use
a)
magnetic field data.
b)
data on ancient reptiles and ferns.
c)
evidence from rock formations.
d)
ancient climatic evidence.
17.
folded mountains occur at which boundary?
a)
oceanic/oceanic convergent boundary
b)
Continental/Oceanic convergent boundary
c)
continental/continental convergent boundary
d)
Oceanic/continental transform boundary
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