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WorksheetsSea-Floor Spreading Quiz
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
What are Mid-Ocean Ridges?
a)
A chain of underwater waterfalls
b)
A chain of underwater volcanos
c)
A chain of underwater mountains
d)
A chain of underwater rocks
2.
True or false : Deep-Ocean Trenches are underwater canyons?
a)
False
b)
True
3.
What did scientists use to map the oceans floor?
a)
Echo-location
b)
Sonar
c)
Space Shuttles
d)
Animals
4.
What was the name of the supercontinent?
a)
The world
b)
Pangea
c)
Land
d)
Chick-Fil-A
5.
What was Wegener's hypothesis called?
a)
The Pangea
b)
Moving Continents
c)
The Continental Drift
d)
Techtonic Plates
6.
What is an ancient organism that is preserved in rock?
a)
A rock
b)
A fossil
7.
What evidence helped Wegener support his theory?
a)
Climate
b)
Fossils
c)
Land Features
d)
All of the Above
8.
True or False : Sea-floor Spreading adds new material to the ocean floor?
a)
True
b)
False
9.
What evidence helps scientists show how sea floor spreading occurs?
a)
Ocean Floor Material
b)
Magnetic Stripes
c)
Drilling Samples
d)
All of the Above
10.
What happens when Subduction occurs?
a)
Parts of the crust fall into the mantle
b)
Parts of the crust fall into the core
c)
Parts of the crust fall into space
d)
None of the Above
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