What is seafloor spreading?
Seafloor Spreading Review

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•
Science
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Seafloor spreading is the process by which new oceanic crust is formed at mid-ocean ridges as magma rises from the mantle and solidifies.
2.
FLASHCARD QUESTION
Front
Where does seafloor spreading occur?
Back
Seafloor spreading occurs at mid-ocean ridges, which are underwater mountain ranges.
3.
FLASHCARD QUESTION
Front
What type of rock is primarily formed during seafloor spreading?
Back
Basalt is the type of 'new' rock formed during seafloor spreading.
4.
FLASHCARD QUESTION
Front
What happens to the oceanic crust during seafloor spreading?
Back
The oceanic crust is created and pushed away from the mid-ocean ridge as new crust forms.
5.
FLASHCARD QUESTION
Front
What is the relationship between seafloor spreading and plate tectonics?
Back
Seafloor spreading is a key process in plate tectonics, as it explains how oceanic plates move and interact.
6.
FLASHCARD QUESTION
Front
What is a mid-ocean ridge?
Back
A mid-ocean ridge is an underwater mountain range where seafloor spreading occurs.
7.
FLASHCARD QUESTION
Front
What is the significance of the recycling of oceanic crust?
Back
The recycling of oceanic crust helps maintain the balance of Earth's crust and contributes to geological processes.
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