WorksheetsPlate Tectonics and Continental Drift Assessment
Total questions: 24
Worksheet time: 24mins
Name
Class
Date
1.
1. This is the mostly solid layer of Earth that is highly viscous.
a)
Crust
b)
Mantle
c)
Inner Core
d)
Outer Core
2.
2. ____________ is an underwater mountain chain that encircles the globe.
a)
Trench
b)
Mid-ocean ridge
c)
Rift
d)
Subduction
3.
3. ________________ is the outer-most layer of Earth.
a)
Inner core
b)
Outer core
c)
Crust
d)
Mantle
4.
4. ________________ exist at the mid-ocean ridges where slabs of oceanic crust are separating and creating cracks.
a)
Trenches
b)
Rifts
c)
Faults
d)
Subduction
5.
5. ___________________ is the downward movement of a plate into the mantle.
a)
Plate tectonics
b)
Divergent
c)
Sea-floor spreading
d)
Subduction
6.
6. ____________________ are deep depressions on the sea floor.
a)
Rifts
b)
Trenches
c)
Faults
d)
Mid-ocean ridges
7.
7. Compare and contrast the type of rock that make up the oceanic and continental crust.
a)
The oceanic crust is made up of granite rock and the continental crust is made up of basalt rock. Granite is denser than basalt.
b)
The oceanic crust is made up of basalt rock and the continental crust is made up of granite rock. Granite is denser than basalt.
c)
The oceanic crust is made up of granite rock and the continental crust is made up of basalt rock. Basalt is denser than granite.
d)
The oceanic crust is made up of basalt rock and the continental crust is made up of granite rock. Basalt is denser than granite.
8.
8. True or false: The orientation of Earth's magnetic field has reversed over it's history.
a)
True
b)
False
9.
9. The name of Alfred Wagner’s supercontinent was named ______________ and the name of the super ocean was _______________.
a)
Pangea, Panthalassa
b)
Panthalassa, Pangea
c)
Uniworld, Uniocean
10.
10. What is the difference between the inner and outer core?
a)
The outer core is liquid and the inner core is solid.
b)
The inner core is solid and the outer core is liquid.
c)
The outer core is the outer-most layer of Earth and the inner core is the center of Earth.
d)
The inner core is mostly solid but highly viscous. The outer core is completely solid.
11.
11. What happens when two continental plates collide?
a)
Mountains can form.
b)
One plate will slide into the mantle.
c)
One of the plates will be destroyed.
d)
New lithosphere is created.
12.
12. Scientists use a process called ________________ ___________________ to determine the age of microfossils.
a)
Plate subduction
b)
Plate tectonics
c)
Carbon dating
d)
Sea floor spreading
13.
13. The lithosphere is broken up into several plates called _______________ _________________.
a)
Tectonic Plates
b)
Sea floor
c)
Convergent boundaries
d)
Fault lines
14.
14. Type of boundary where plates move away from each other. __________________________
a)
Transform boundary
b)
Convergent boundary
c)
Divergent boundary
d)
Subduction
15.
15. Type of boundary where plates collide into each other. __________________________
a)
Transform boundary
b)
Convergent boundary
c)
Divergent boundary
d)
Subduction
16.
16. Type of boundary where plates slide past each other. __________________________
a)
Transform boundary
b)
Convergent boundary
c)
Divergent boundary
d)
Subduction
17.
17. The estimated age of Earth is ________________________________.
a)
4.5 million years
b)
180 billion years
c)
180 million years
d)
4.5 billion years
18.
18. Which of the following describes the inner core?
a)
Solid
b)
Liquid
c)
Thin and brittle
d)
Mostly solid but highly viscous
19.
19. What is true about oceanic crust?
a)
Less dense than continental crust.
b)
Made up of basalt rock.
c)
It is responsible for all geological activity.
d)
It is made up of granite rock.
20.
20. ________________ sediment is derived from weathering of rocks.
a)
Rift
b)
Biogenous
c)
Lithogenous
d)
Subduction
21.
21. When two continental plates slide past one another
a)
There is a great amount of friction on both plates.
b)
New lithosphere is created.
c)
Mid-ocean ridge is created.
d)
One of the continental plate slightly lifts an edge of one of the continents slightly.
22.
22. Why is the continental crust higher than the oceanic crust?
a)
There is a higher volume of oceanic crust than continental crust.
b)
There is a higher volume of continental crust than oceanic crust.
c)
The oceanic crust is less dense than the continental crust.
d)
The continental crust is less dense than the oceanic crust.
23.
24. Alfred Wegener theorized that Pangea began to break apart
a)
180 million years ago
b)
180 billion years ago
c)
4.5 million years ago
d)
4.5 billion years ago
24.
25. Sea floor spreading occurs when
a)
The sea floor moves toward the mid-ocean ridges.
b)
The sea floor moves away from the mid-ocean ridges.
c)
Tectonic plates slides past one another.
d)
Earth’s magnetic field changes orientation.
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