WorksheetsContinental Drift and Seafloor Spreading Test
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What do scientists believe is responsible for the movement of tectonic plates?
a)
Thermal energy that radiates from the sun
b)
Friction between the lithosphere and asthenosphere
c)
Convection currents within the asthenosphere
d)
Earth’s rotation
2.
According to the Continental Drift Theory:
a)
The continents were once joined together as a supercontinent. Over time, the supercontinent broke into continents that drifted apart.
b)
The continents are slowly drifting towards each other. Eventually, they will collide and destroy each other.
c)
The continents are slowly growing in size due to tectonic plate movement.
d)
The continents are slowly sinking down into Earth’s mantle.
3.
Which of the following is a piece of evidence that support’s the Theory of Continental Drift?
a)
Coal deposits in North America match up with coal deposits across Europe.
b)
The east coast of South America complements the west coast of Africa.
c)
Fossils of the same plants and animals living at the same time were found in South America, Africa, India and Australia.
d)
All of the above
4.
According to the Continental Drift Theory, all the continents were once joined as a supercontinent known as:
a)
Gondwana
b)
Laurasia
c)
Pangaea
d)
Antarticaland
5.
How long did it take Pangaea to breakup and for the continents to move to their current positions today?
a)
Hundreds of years
b)
Thousands of years
c)
Nearly a million years
d)
Hundreds of millions of years
6.
What is seafloor spreading?
a)
The slow destruction of crust or lithosphere
b)
The creation of new crust or lithosphere
c)
The distribution of oceanic crust across the seafloor
7.
Seafloor spreading occurs at:
a)
a convergent boundary
b)
a divergent boundary
c)
a transform boundary
8.
What is convection?
a)
Transfer of heat by movement of the fluid
b)
Transfer of heat across a vacuum
c)
Transfer of heat between objects that directly touch each other
d)
Transfer of heat by electromagnetic waves
9.
What is evidence?
a)
A hypothesis that turns out to be correct
b)
A theory that has been proven to be be factual
c)
Information that helps prove something to be true
d)
Information that is opinionated and not factual
10.
Matching rocks and minerals on separate continents is a form of:
a)
Landform evidence
b)
Geologic evidence
c)
Fossil evidence
d)
None of the above – this is not a form of evidence
11.
These three animals below represent what type of evidence that the continents actually moved.
a)
Zoological evidence
b)
Glacial evidence
c)
Evidence of climate change
d)
Fossil evidence
12.
Earth’s inner core is
a)
hot and liquid.
b)
cool and solid.
c)
hot and solid.
d)
cool and liquid.
13.
One hypothesis states that plate movement results from convection currents in the
a)
mesosphere.
b)
asthenosphere.
c)
lithosphere.
d)
outer core.
14.
The youngest rocks on the ocean floor are located at the mid-ocean
a)
Trenches
b)
Volcanoes
c)
Basins
d)
Ridges
15.
The Father of "Continental Drift Theory" was which of the following scientists:
a)
Fred Vine
b)
Harry Hess
c)
Alfred Wegener
d)
Dan Mckenzie
16.
Which scientist(s) was responsible for the study of magnetic anomalies on the seafloor ?
a)
Harry Hess and Mary Tharp
b)
John Tuzo-Wilson
c)
Dan McKenzie
d)
Fred Vine and Drummond Matthews
17.
What was John Tuzo-Wilson's contribution to the Plate Tectonic Theory?
a)
Discovered a third type plate boundary.
b)
Discovered convection currents in the mantle.
c)
Mapped the Seafloor.
d)
Discovered magnetic anomalies in the rocks on the seafloor.
18.
Harry Hess and Mary Tharp are responsible for what part of the Plate Tectonic Theory?
a)
Continental Drift
b)
Magnetic Anomalies
c)
Viscosity of the Lower Mantle
d)
Discovery of the Mid-Atlantic Ridge
19.
What scientist(s) are associated with these scientific diagrams?
a)
Fred Vine
b)
John Tuzo-Wilson
c)
Harry Hess and Mary Tharp
d)
Alfred Wegener
20.
Which scientist was responsible for the discovery of convection currents in the mantle?
a)
Alfred Wegener
b)
Dan Mckenzie
c)
Harry Hess and Mary Tharp
d)
John Tuzo-Wilson
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