What is a divergent boundary?
Plate Tectonics ReTest

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A divergent boundary is a tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust, such as mid-ocean ridges.
2.
FLASHCARD QUESTION
Front
What is a convergent boundary?
Back
A convergent boundary is a tectonic plate boundary where two plates collide, leading to one plate being forced beneath the other, often causing earthquakes and volcanic activity.
3.
FLASHCARD QUESTION
Front
What is a transform boundary?
Back
A transform boundary is a tectonic plate boundary where two plates slide past each other horizontally, which can cause earthquakes.
4.
FLASHCARD QUESTION
Front
What are convection currents?
Back
Convection currents are movements within the Earth's mantle caused by the transfer of heat from the core, which drives the movement of tectonic plates.
5.
FLASHCARD QUESTION
Front
How do convection currents affect tectonic plates?
Back
Convection currents transfer heat from the Earth's core to the mantle, creating currents that cause tectonic plates to move.
6.
FLASHCARD QUESTION
Front
What is a mid-ocean ridge?
Back
A mid-ocean ridge is an underwater mountain range formed by the upwelling of magma at divergent boundaries, where new oceanic crust is created.
7.
FLASHCARD QUESTION
Front
What evidence supports the theory of continental drift?
Back
Evidence includes the fit of continental coastlines, fossil similarities across continents, and geological similarities in rock formations.
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