WorksheetsPlate Tectonics
Total questions: 20
Worksheet time: 14mins
Name
Class
Date
1.
Early observers thought continents may have been joined based on what observations
a)
rocks and fossils
b)
earthquakes.
c)
magnetism.
d)
coastline
2.
A German scientist Alfred Wegener was the first to hypothesize that ...........
a)
Continents were once joined
b)
The sea floor is spreading
c)
Continents are moving
d)
The Earth's magnetic pole flips
3.
Pangaea was an ancient supercontinent made up of...
a)
America, Greenland, and Europe.
b)
Antarctica, India, and America.
c)
all of Earth’s continents.
d)
South Africa, India, Australia, and South America.
4.
Evidence used by Wegener to supported his idea of continental drift included
a)
Ocean rocks and sediments
b)
Ocean floor topography
c)
Magnetic isochron patterns
d)
Climatic data
5.
Wegener suggested that coal beds discovered in Antarctica indicated that this continent was
a)
once under water
b)
always frozen
c)
once near the equator
d)
part of Africa
6.
One of the fossils Wegener used to support his hypothesis of continental drift was
a)
Glossopteris
b)
Trilobite
c)
insects in tree amber
d)
ammonite molds
7.
Peer scientists reviewing Wegener’s hypothesis of continental drift rejected his notion because
a)
His evidence was too few to make a valid conclusion
b)
He did not explain how continents move and what moves them
c)
His evidence was not clear in showing how continents were joined
d)
He lied by including false evidence
8.
The rejection of Mr. Wegener's hypothesis teaches us that
a)
Indirect evidence is not sufficient to prove a hypothesis
b)
Direct evidence is hard to find
c)
Hypotheses are hard to prove
d)
Scientists of the early 1900s were not smart enough
9.
Evaluating the relationship between scientific laws, theories, and hypothesis, one can say
a)
Scientific hypothesis can became laws
b)
Scientific theories can became laws
c)
Scientific laws can be changed
d)
Scientific hypothesis can became theories
10.
Where are most divergent boundaries located?
a)
Along the middle of most ocean floors
b)
Along the margins of most continents
c)
Across the middle of many continents
d)
All the above options are correct
11.
The Himalayan mountains have some of the highest peaks like Mt. Everest, on which type of convergent boundary are they located?
a)
Oceanic/Continental
b)
Oceanic/Oceanic
c)
Continental/Continental
d)
None of the above
12.
What type of features are associated with a divergent boundary?
a)
Rift valleys
b)
Volcanic mountains
c)
Fold mountains
d)
Fault block mountains
13.
The mechanism that moves continents is based on heat energy moving by
a)
Radiation in the core
b)
Conduction in the lithosphere
c)
Convection in the Asthenosphere
d)
None of these options is true
14.
What type of rock makes most of the oceanic crust
a)
Sedimentary
b)
Basalt
c)
Metamorphic
d)
Limestone
15.
How do modern scientists measure and calculate the speed at which the continents are moving
a)
The speed of continents cannot be calculated
b)
Measure the distance between opposite continents and divide by a million years
c)
Measure the width of a continent and divide by the time in one year
d)
Measure the distance and time between isochrones and calculate the speed
16.
The San Andréa fault in California is one example of a...
a)
Divergent boundary
b)
Convergent boundary
c)
Transform boundary
d)
All of the above
17.
Los Angeles and San Francisco are cities on opposite sides of the San Andreas transform boundary. Suggest how both cities will be like at some point in future
a)
Furthest north and south apart than now
b)
At the same positions as today
c)
Drift apart away from the fault line
d)
Side by side somewhere between them now
18.
What two mechanisms do scientists think help convection currents in mantel move plates?
a)
Ridge push and Slab pull
b)
Normal and Reversed magnetism
c)
Action and Reaction tectonic forces
d)
Gravitational and Rotational pull
19.
Which of these phenomenon is not directly cased by plate tectonics
a)
Volcanic eruptions
b)
Earthquakes
c)
Tsunamis
d)
Landslides
20.
Is Pokémon real?
a)
Yes
b)
No
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