What are the three main layers of the Earth?
Plate Tectonics and Earth's Layers

Flashcard
•
Science
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The three main layers of the Earth are the crust, mantle, and core.
2.
FLASHCARD QUESTION
Front
What is the outermost layer of the Earth called?
Back
The outermost layer of the Earth is called the crust.
3.
FLASHCARD QUESTION
Front
What is the primary composition of the Earth's inner core?
Back
The inner core is primarily composed of iron and nickel.
4.
FLASHCARD QUESTION
Front
What type of boundary occurs when two tectonic plates move away from each other?
Back
Divergent boundary.
5.
FLASHCARD QUESTION
Front
What is a convergent boundary?
Back
A convergent boundary is where two tectonic plates move towards each other, often causing one plate to be forced beneath the other.
6.
FLASHCARD QUESTION
Front
What geological features are commonly formed at divergent boundaries?
Back
Mid-ocean ridges and rift valleys are commonly formed at divergent boundaries.
7.
FLASHCARD QUESTION
Front
What is the process of subduction?
Back
Subduction is the process where one tectonic plate is forced under another plate.
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