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Chapter 1

Concept #8 Quiz

Concept #8 Quiz
Choose the best possible answer to the following questions about Key Concept 8 "Basics of the unifying theory of geology: 'Plate Tectonics'."

This activity contains 5 questions.

	The lithosphere is divided into about 12 rigid plates that “ride” over the ________.   adrenalsphere crust asthenosphere biosphere

	What classifies a certain bit of a lithospheric plate as "oceanic" or "continental"?   the type of crust the type of mantle the thickness of the crust none of these

	Identify the type of plate boundary illustrated by each of the figures. For each item below, use the pull-down menu to select the letter that labels the correct part of the image. 3.1 transform boundary [hint] A B C 3.2 convergent boundary [hint] A B C 3.3 divergent boundary [hint] A B C

	Which of the following is the single difference that makes a lithospheric plate boundary “divergent,” “convergent” or “transform”?   oceanic versus continental crust age of the crust involved relative plate motion directions continental drift and seafloor spreading

	Match the following plate tectonics terms with their definitions. Using the pull-down menus, match each item in the left column to the corresponding item in the right column. the outermost 100 km of the Earth including crust and upper mantle lithospheric plates move together lithospheric plates move apart lithospheric plates slip past each other horizontally the part of the mantle over which plates move 5.1 divergent plate boundary A B C D E 5.2 convergent plate boundary A B C D E 5.3 transform plate boundary A B C D E 5.4 lithospheric plate A B C D E 5.5 asthenosphere A B C D E

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