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Earth Science Flashcard

Earth Science Flashcard

Assessment

Flashcard

Geography

6th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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14 questions

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1.

FLASHCARD QUESTION

Front

What name is given to the type of crust that is primarily made up of basalt and is found at the bottom of the oceans?

Back

Oceanic Crust

2.

FLASHCARD QUESTION

Front

What are the two parts of the Earth's core discovered during the journey to the center of the Earth?

Back

Outer core (liquid) and inner core (solid)

3.

FLASHCARD QUESTION

Front

What is created at the mid-ocean ridge during seafloor spreading?

Back

New oceanic crust

4.

FLASHCARD QUESTION

Front

What happens when a continental plate and an oceanic plate collide at a convergent plate boundary?

Back

The more-dense oceanic plate subducts under the less dense continental plate, forming volcanoes.

5.

FLASHCARD QUESTION

Front

What can happen when two continents collide?

Back

Mountains form.

6.

FLASHCARD QUESTION

Front

Pieces of the same mountain chain are now separated on two different continents by an ocean today. What conclusion can you make that would be true about this?

Back

The mountains were once one during Pangaea.

7.

FLASHCARD QUESTION

Front

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

Back

Wegener could not identify a force strong enough to move the continents

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