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Continental Drift & Sea Floor Spreading

Continental Drift & Sea Floor Spreading

Assessment

Flashcard

Science

6th - 8th Grade

Practice Problem

Easy

Created by

Kelly Ruminski

Used 2+ times

FREE Resource

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21 questions

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1.

FLASHCARD QUESTION

Front

Who is credited with developing the theory of continental drift?

Media Image

Back

Alfred Wegener

2.

FLASHCARD QUESTION

Front

What two specific continents fit together most noticeably?

Back

South America and Africa

3.

FLASHCARD QUESTION

Front

How does fossil evidence support Wegener's hypothesis of continental drift?

Back

All of the above: Similar fossils are found along continents that appear to join together; Fossils are found in areas where the present-day climate could not have supported the organisms that made the fossils; Similar fossils of giant, land-dwelling dinosaurs are found on continents separated by oceans.

4.

FLASHCARD QUESTION

Front

What is Pangaea?

Back

Supercontinent that existed in Earth's distant past.

5.

FLASHCARD QUESTION

Front

Why was Wegener's theory not accepted?

Back

He had no proof of how the continents were moving

6.

FLASHCARD QUESTION

Front

What is the name given to the hypothesis that continents once formed a giant landmass that broke apart and drifted apart?

Back

continental drift

7.

FLASHCARD QUESTION

Front

What do most geologists think causes the movement of Earth's tectonic plates?

Back

Convection currents - Movement of the layer of Earth under the crust called the "mantle"

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