Layers Of Earth/Plate Tectonics
8 Questions
| Total Attempts: 360
Questions and Answers
- 1.The inner core is the most dense.
- A.
True
- B.
False
- 2.The lithosphere and crust are the outermost layers of the Earth.
- A.
True
- B.
False
- 3.The asthenosphere is a semisolid layer of rock materials.
- A.
True
- B.
False
- 4.Which layer of the Earth is above the asthenosphere?
- A.
Mantle
- B.
Outer core
- C.
Lithosphere/crust
- D.
Inner core
- 5.Which sequence shows the layers of Earth in order from the surface to the center of Earth?
- A.
Inner core, outer core, mantle, crust
- B.
Inner core, outer core, crust, mantle
- C.
Crust, mantle, inner core, outer core
- D.
Crust, mantle, outer core, inner core
- 6.What is plate tectonics?
- A.
The theory explaining how the Earth rotates and revolves around the Sun
- B.
The theory explaining that the lithosphere/crust is broken into pieces and is moving over the semisolid asthenosphere
- C.
The theory explaining how the mantle, outer core, and inner core have extreme heat and pressure.
- D.
The theory explaining the density of the Earth's layers.
- 7.What elements compose most of the Earth's lithosphere/crust?
- A.
Iron and nickel
- B.
Silicon and oxygen
- C.
Helium and magnesium
- D.
Sulfur and nickel
- 8.Which below is the name of the major tectonic plate in the United States of America?
- A.
African Plate
- B.
Eurasian Plate
- C.
South American Plate
- D.
North American Plate
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