Continental Drift/Seafloor Spreading

Continental Drift/Seafloor Spreading

Assessment

Flashcard

Science

7th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

Undersea mountain chain where new ocean floor is produced at a divergent plate boundary is a ____________

Back

Mid-ocean ridge

2.

FLASHCARD QUESTION

Front

Deep underwater canyons where ocean floor sinks back into mantle are called ____________

Back

Deep ocean trench

3.

FLASHCARD QUESTION

Front

During sea-floor spreading, crust is ____________

Back

Created

4.

FLASHCARD QUESTION

Front

Process by which molten material adds new oceanic crust to the ocean floor is ____________

Back

Sea-floor spreading

5.

FLASHCARD QUESTION

Front

Who was the scientist who hypothesized continental drift?

Back

Wegener

6.

FLASHCARD QUESTION

Front

The theory that continents have moved over geological time is known as ____________

Back

Continental drift

7.

FLASHCARD QUESTION

Front

The movement of tectonic plates is driven by ____________

Back

Convection currents in the mantle

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