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18 terms

Honors Earth Science Final: Plate Tectonics Test- Fill in the Blank

STUDY
PLAY
Mesosaurus
What fossil gave a clue to the theory of continental drift?
Trenches
The deepest parts of the ocean are located at ___________
Pangaea
What was the name of he supercontinent that existed 220 million years ago?
Rift
A divergent boundary that originates on land is known as a ______________
Inner Core
Which layer in the Earth generate the Earth's magnetic field?
Hot Spot
What formed the Hawaiian islands?
Meteorology
What was Wegener's training in?
Harry Hess
Who came up with the theory of sea-floor spreading?
Convection Current
A ____________ is the circular motion of material due to heating and cooling
Lithosphere
All of he crust and the top portion of the mantle is known as the _____________
Laurasia
The northern half of the Pangaea
Panthalassa
The only ocean that existed at the time of Pangaea
Tethys
At the time of Pangaea, the __________ sea was located between Africa and Eurasia
Africa
The alps were created when Europe collided with _____________
Molten Rock
The rising up of material from the asthenosphere at mid ocean ridges is known as ______________
Magellen
Beginning in 1990 the space probe __________ began to map the surface of Venus
Granatic
The upper crust is made up primarily of _________ rocks
150
At a depth of about _______________km water is released from subducting plates