Sea-Floor Spreading

Sea-Floor Spreading

Assessment

Flashcard

Other

KG - University

Practice Problem

Hard

Created by

Isha Matthews

FREE Resource

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10 questions

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1.

FLASHCARD QUESTION

Front

What is Sea-Floor Spreading?

Back

Mid-Ocean ridges continually add new material to the ocean floor.

2.

FLASHCARD QUESTION

Front

Mid-Ocean ridges form long chains of "______" that rise up from the ocean floor.

Back

Mountains

3.

FLASHCARD QUESTION

Front

In the Mid-1900s, scientists mapped mid-ocean ridges using what?

Back

Sonars

4.

FLASHCARD QUESTION

Front

What form the longest mountain ranges on the earth?

Back

Ridges

5.

FLASHCARD QUESTION

Front

Subduction

Back

The process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle again.

6.

FLASHCARD QUESTION

Front

In a process taking tens of millions of years, part of the ocean floor sinks back into the mantle at deep-ocean trenches.

Back

True

7.

FLASHCARD QUESTION

Front

Seafloor spreading is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.

Back

True

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