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

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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

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