Plate Tectonics and Seafloor Spreading

Plate Tectonics and Seafloor Spreading

Assessment

Flashcard

Science

6th - 8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the name of the supercontinent that existed millions of years ago?

Back

Pangaea

2.

FLASHCARD QUESTION

Front

What causes Earth's tectonic plates to move?

Back

Convection currents in the mantle

3.

FLASHCARD QUESTION

Front

What type of plate boundary occurs when two plates come together?

Back

Convergent Boundary

4.

FLASHCARD QUESTION

Front

Why did most geologists reject Alfred Wegener's idea of continental drift?

Back

Wegener could not identify the force that moved the continents.

5.

FLASHCARD QUESTION

Front

What is the process called that forms new oceanic crust at mid-ocean ridges?

Back

Seafloor Spreading

6.

FLASHCARD QUESTION

Front

What is a divergent boundary?

Back

A plate boundary where two tectonic plates move away from each other.

7.

FLASHCARD QUESTION

Front

What is a transform boundary?

Back

A plate boundary where two tectonic plates slide past each other.

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