Sea-Floor Spreading

Sea-Floor Spreading

KG - University

10 Qs

quiz-placeholder

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Sea-Floor Spreading

Sea-Floor Spreading

Assessment

Quiz

Other

KG - University

Practice Problem

Medium

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Samantha Papczynski

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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is Sea-Floor Spreading?

Mid-Ocean ridges continually add new material to the ocean floor.
The moon
A thing in the Ocean
Mid-Ocean trenches continually add new material to the ocean floor.

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

Rivers
Valleys
Mountains
Rocks

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

Satellites
Moons
Stars
Sonars

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What form the longest mountain ranges on the earth?

Ridges
Mountains
Rivers
Plateaus 

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is Subduction?

The Process of how stars are made.
The process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle again.
True
False

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

False
True

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

True
False

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