Structure of the Earth
Explore the layers of the Earth, their composition, and their characteristics with this comprehensive Grade 8 science worksheet.
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Structure of the Earth
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Date:
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Read each question carefully and answer to the best of your ability. Refer to the diagram provided for assistance.
Observe the diagram below showing the Earth's layers.
1. Which layer of the Earth is primarily composed of molten iron and nickel?
Crust
Mantle
Outer Core
Inner Core
2. What is the thinnest layer of the Earth?
Inner Core
Mantle
Crust
Outer Core
3. The Earth's outermost layer, where we live, is called the .
4. Convection currents in the are responsible for the movement of tectonic plates.
5. The is the hottest and densest layer of the Earth.
6. The Earth's inner core is a solid sphere.
True
False
7. The lithosphere includes the crust and the uppermost part of the mantle.
True
False
8. Describe the main difference in composition between the continental crust and the oceanic crust.
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