Exploring Earth's Layers and Convection Currents

Flashcard
•
Science
•
6th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Earth's crust?
Back
The Earth's crust is the outermost layer of the Earth, composed of solid rock, and is divided into the continental and oceanic crust.
2.
FLASHCARD QUESTION
Front
What is the asthenosphere?
Back
The asthenosphere is a semi-fluid layer of the mantle located beneath the lithosphere, allowing tectonic plates to move.
3.
FLASHCARD QUESTION
Front
What causes convection currents in the mantle?
Back
Convection currents in the mantle are caused by the uneven heating of the mantle material, which creates movement due to differences in temperature and density.
4.
FLASHCARD QUESTION
Front
What is the role of the Earth's core in convection?
Back
The Earth's core provides heat that drives convection currents in the mantle, influencing the movement of tectonic plates.
5.
FLASHCARD QUESTION
Front
How do tectonic plates move?
Back
Tectonic plates move due to the convection currents in the mantle, which cause them to float and shift slowly over time.
6.
FLASHCARD QUESTION
Front
What is the lithosphere?
Back
The lithosphere is the rigid outer layer of the Earth, consisting of the crust and the uppermost part of the mantle.
7.
FLASHCARD QUESTION
Front
What happens to the temperature as you go deeper into the Earth?
Back
As you go deeper into the Earth, the temperature increases due to the heat from the core and the pressure from the layers above.
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