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WorksheetsSea-Floor Spreading
Total questions: 10
Worksheet time: 2mins
Name
Class
Date
1.
What geologists set to work on a work mapping the ocean floor?
a)
Tony Hayward and James Parkinson
b)
Marie Tharp and Bruce Heezen
c)
Marie Tharp and Tony Hayward
d)
Bruce Heezen and James Parkinson
2.
Mid-Ocean Ridges form canyons
a)
True
b)
False
3.
The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle again is called
a)
sea-floor spreading
b)
mining
c)
sunduction
d)
youtube
4.
If you choose an answer to this question at random, what is the chance you will be correct?
a)
25%
b)
50%
c)
60%
d)
25%
5.
Sea-floor spreading removes crust from the ocean floor.
a)
True
b)
False
6.
Which of the following is not evidence that geologists have found for sea floor spreading
a)
Sedimentary Rock Formation
b)
Ocean-Floor Material
c)
Magnetic Stripes
d)
Drilling Samples
7.
Which of the following work together?
a)
Yes
b)
Sea-Floor Spreading and Pangaea
c)
Subduction and Pangaea
d)
Subduction and Sea-Floor Spreading
8.
What did scientists map mid-ocean ridges with?
a)
Pangaea
b)
Sonar
c)
Mid-Ocean Ridges
d)
Baseballs
9.
Where do most mid-ocean ridges lie under?
a)
The bottom of the ocean
b)
At the surface
c)
Thousands of meters of water
d)
One meter of water
10.
What does TARDIS stand for
a)
Time Lords are Cool
b)
Tea and Radio Doctors in Space
c)
Time and Relative Dimensions in Space
d)
Time and Relative Doctors in Space
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