Earth’s Structure and Layers
Physics ⇒ Earth and Space Physics
Earth’s Structure and Layers starts at 6 and continues till grade 12.
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See sample questions for grade 9
Describe how scientists know about the structure of Earth's interior.
Describe the difference between continental crust and oceanic crust.
Describe the role of the Earth's magnetic field in protecting life on Earth.
Explain how convection currents in the mantle affect the movement of tectonic plates.
Explain why seismic waves travel at different speeds through different layers of the Earth.
Explain why the inner core remains solid despite extremely high temperatures.
Name the two types of Earth's crust.
The Earth's core is mainly composed of which two elements?
What is the approximate temperature at the center of the Earth?
What is the approximate thickness of the Earth's crust?
What is the main composition of the Earth's inner core?
What is the main difference between the outer core and the inner core?
Which layer is directly below the lithosphere?
Which layer of the Earth do tectonic plates move on?
Which layer of the Earth is directly responsible for supporting life?
Which layer of the Earth is liquid?
Which layer of the Earth is responsible for generating the planet's magnetic field?
Which layer of the Earth is the coolest?
Which layer of the Earth is the source of most volcanic activity?
A geologist is studying a region where seismic waves suddenly speed up at a certain depth. What does this change in speed indicate about the Earth's structure at that depth?
