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WorksheetsPlate Tectonics Review
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Wegener’s continental drift hypothesis stated that all the continents once joined together to form:
a)
2 supercontinents
b)
2 supercontinents and 3 small continents
c)
1 supercontinent
d)
1 supercontinent and 3 smaller contients
2.
The supercontinent in the continental drift hypothesis was called:
a)
Mesosaurus
b)
Africa
c)
Laurasia
d)
Pangea
3.
One kind of evidence that supports Wegener’s hypothesis is that
a)
same magnetic directions exist on different continents
b)
fossils of the same organism have been found on different continents
c)
major rivers on different continents match
d)
land bridges still exist that connect major continents
4.
What was the main reason Wegener’s continental drift hypothesis was rejected
a)
He could not provide a mechanism for the movement of the continents
b)
His evidence was incorrect
c)
He could provide only illogical explanations for the movement of the continents
d)
He was not well liked by other scientists
5.
The lithospheric plates move an average of:
a)
50 inches per year
b)
50 centimeters per year
c)
5 inches per year
d)
5 centimeters per year
6.
What kind of plate boundary occurs where two plates grind past each other.in opposite directions?
a)
Convergent
b)
Bent
c)
Divergent
d)
Transform
7.
A divergent boundary at two oceanic plates can result in a ____.
a)
plateau
b)
rift valley
c)
subduction zone
d)
trench
8.
What type of boundary occurs where two plates move together, causing one plate to sub-duct or go under the other plate?
a)
Transform
b)
Divergent
c)
Convergent
d)
Bent
9.
Which of the following is a geographic example of a transform fault boundary?
a)
San Andreas Fault in California
b)
East African Rift valley
c)
Andes Mountians
d)
Mid Atlantic Ridge
10.
New ocean crust is formed at ____.
a)
convergent boundary
b)
transform boundary
c)
divergent boundary
d)
continental volcanic arc
11.
The Himalaya Mountains between India and Asia are an example of what type of plate boundary?
a)
convergent continental crust to oceanic crust
b)
divergent oceanic plates
c)
convergent continental crust to continental crust
d)
transform
12.
Volcanic island arcs are associated with what type of plate boundary?
a)
convergent ocean to continent boundary
b)
divergent boundary
c)
transform boundary
d)
convergent continent to continent boundary
13.
According to the property of paleomagnetism, ____.
a)
rocks do not possess magnetic properties
b)
all rocks, regardless of when they are formed, have the same polarity
c)
iron-rich rocks show the location of the magnetic poles at the time of their formation
d)
all rocks have a reversed polarity
14.
Strips of alternating magnetic polarities found in rocks in the ocean basins ____.
a)
provide evidence that Earth’s magnetic field has never reversed polarity
b)
provide evidence for seafloor spreading
c)
indicate changes in Earth’s gravitation field
d)
conflict with the theory of plate tectonics
15.
. Which of the following best describes where the youngest and oldest crustal rocks can be found on the Earth?
a)
The oldest crustal rocks are found at the North and South Pole and the youngest at the Equator.
b)
The oldest crustal rocks are found at the edges of continents and the youngest in the center of the continent.
c)
The oldest crustal rocks are found high in the mountains and the youngest at sea level.
d)
The oldest crustal rocks are found on continents and the youngest on the ocean floor.
16.
Not all the crustal rock found on the Earth is the same age. Some of it is younger than 200 million years old, while other crustal rock can be as old as 4 billion years. Which Earth processes are most responsible for the difference in ages?
a)
Destruction and renewal of rock at tectonic plate boundaries
b)
Weathering and erosion by moving wind, water, and ice
c)
Changes that rocks experience when exposed to heat and pressure
d)
The different rates at which molten minerals cool and form crystals
17.
Which of the following observations can be explained by plate tectonics?
a)
The layering of sedimentary rock with youngest on top and oldest on the bottom
b)
The sorting of sediments from smaller to larger particles on coastlines
c)
The difference in ages of crustal rock in different locations on the Earth
d)
The shapes and sizes of rock formations found in caves
18.
How does the age of seafloor sediments change with increasing distance from the ocean ridge?
a)
Age increases.
b)
Age stays the same.
c)
Age varies without a pattern.
d)
Age decreases.
19.
The four types of evidence for continental drift include:
a)
Matching plate boundaries and fossils found on different continents
b)
Matching plate boundaries ad groups of humans found on different continents
c)
Evidence of glaciers in the desert and different human groups in the desert
d)
Matching mountain ranges and cities on different continents
20.
Here are the ages of 4 rock samples: sample 1 is 127 million yrs. old
sample 2 is 3.5 billion yrs. old
sample 3 is 380 million yrs. old
sample 4 is 3 million yrs old.
What is true about these samples?
sample 2 is 3.5 billion yrs. old
sample 3 is 380 million yrs. old
sample 4 is 3 million yrs old.
What is true about these samples?
a)
Sample 1 and 2 are from continents
b)
Sample 1 and 4 are from the ocean floor
c)
Sample 2 and 4 are from continents
d)
Sample 3 and 4 are from the ocean floor
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