Planet Earth Worksheet
Explore the structure, composition, and processes of Planet Earth with this Grade 8 science worksheet.
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Standards
Topics
Planet Earth: Structure and Processes
Name:
Date:
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Read each question carefully and answer to the best of your ability. Use the provided space for your answers.
1. Which layer of Earth is a liquid and responsible for generating Earth's magnetic field?
Crust
Mantle
Outer core
Inner core
2. What is the primary cause of plate tectonics?
Ocean currents
Wind erosion
Convection currents in the mantle
The Earth's rotation
3. The outermost layer of the Earth, consisting of the crust and upper mantle, is called the .
4. The process by which heat is transferred through the movement of a fluid is known as .
5. Describe the main differences between oceanic crust and continental crust.
6. Label the layers of the Earth in the diagram below:
7. Earth's inner core is primarily composed of liquid iron and nickel.
True
False
8. Subduction zones occur where two tectonic plates move away from each other.
True
False
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