
Layers of the earth
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are the three main layers of the Earth?
Back
Crust, Mantle, Core.
2.
FLASHCARD QUESTION
Front
What is the outer core primarily composed of?
Back
Liquid iron and nickel.
3.
FLASHCARD QUESTION
Front
Which layer of the Earth is solid and composed of silicate rocks?
Back
Mantle.
4.
FLASHCARD QUESTION
Front
What is the innermost layer of the Earth called?
Back
Inner core.
5.
FLASHCARD QUESTION
Front
How does the thickness of the crust compare to the mantle and core?
Back
The crust is extremely thin compared to the mantle and core.
6.
FLASHCARD QUESTION
Front
What is the primary characteristic of the outer core?
Back
It is liquid and composed of molten metals.
7.
FLASHCARD QUESTION
Front
What is the main difference between the inner core and outer core?
Back
The inner core is solid, while the outer core is liquid.
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