Earth's Geosphere

Description: Test your knowledge about Earth's Geosphere, including its composition, layers, and processes.
Number of Questions: 15
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Tags: earth science geology geophysics
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What is the outermost layer of Earth's geosphere?

  1. Crust

  2. Mantle

  3. Core

  4. Lithosphere


Correct Option: A
Explanation:

The crust is the outermost layer of Earth's geosphere, consisting of solid rock and soil.

Which layer of Earth's geosphere is composed primarily of molten rock?

  1. Crust

  2. Mantle

  3. Core

  4. Lithosphere


Correct Option: B
Explanation:

The mantle is the layer of Earth's geosphere located between the crust and the core, and it is composed primarily of molten rock.

What is the innermost layer of Earth's geosphere?

  1. Crust

  2. Mantle

  3. Core

  4. Lithosphere


Correct Option: C
Explanation:

The core is the innermost layer of Earth's geosphere, and it is composed primarily of iron and nickel.

Which layer of Earth's geosphere is responsible for plate tectonics?

  1. Crust

  2. Mantle

  3. Core

  4. Lithosphere


Correct Option: D
Explanation:

The lithosphere is the outermost rigid layer of Earth's geosphere, and it is responsible for plate tectonics.

What is the process by which molten rock from the mantle rises to the surface?

  1. Volcanism

  2. Erosion

  3. Weathering

  4. Metamorphism


Correct Option: A
Explanation:

Volcanism is the process by which molten rock from the mantle rises to the surface.

Which process is responsible for the formation of sedimentary rocks?

  1. Volcanism

  2. Erosion

  3. Weathering

  4. Metamorphism


Correct Option: B
Explanation:

Erosion is the process by which weathered material is transported from one place to another.

What is the process by which rocks are changed from one type to another?

  1. Volcanism

  2. Erosion

  3. Weathering

  4. Metamorphism


Correct Option: D
Explanation:

Metamorphism is the process by which rocks are changed from one type to another.

Which type of rock is formed from the cooling and solidification of molten rock?

  1. Igneous

  2. Sedimentary

  3. Metamorphic

  4. Fossils


Correct Option: A
Explanation:

Igneous rocks are formed from the cooling and solidification of molten rock.

Which type of rock is formed from the accumulation and cementation of sediments?

  1. Igneous

  2. Sedimentary

  3. Metamorphic

  4. Fossils


Correct Option: B
Explanation:

Sedimentary rocks are formed from the accumulation and cementation of sediments.

Which type of rock is formed from the alteration of existing rocks due to heat, pressure, or chemical reactions?

  1. Igneous

  2. Sedimentary

  3. Metamorphic

  4. Fossils


Correct Option: C
Explanation:

Metamorphic rocks are formed from the alteration of existing rocks due to heat, pressure, or chemical reactions.

What is the process by which rocks are broken down into smaller pieces?

  1. Volcanism

  2. Erosion

  3. Weathering

  4. Metamorphism


Correct Option: C
Explanation:

Weathering is the process by which rocks are broken down into smaller pieces.

Which process is responsible for the formation of fossils?

  1. Volcanism

  2. Erosion

  3. Weathering

  4. Metamorphism


Correct Option: D
Explanation:

Metamorphism is the process by which fossils are formed.

What is the process by which rocks are transported from one place to another?

  1. Volcanism

  2. Erosion

  3. Weathering

  4. Metamorphism


Correct Option: B
Explanation:

Erosion is the process by which rocks are transported from one place to another.

Which layer of Earth's geosphere is composed primarily of solid rock?

  1. Crust

  2. Mantle

  3. Core

  4. Lithosphere


Correct Option: A
Explanation:

The crust is the outermost layer of Earth's geosphere, consisting of solid rock and soil.

What is the process by which rocks are formed from the cooling and solidification of molten rock?

  1. Volcanism

  2. Erosion

  3. Weathering

  4. Metamorphism


Correct Option: A
Explanation:

Volcanism is the process by which molten rock from the mantle rises to the surface.

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