Earth's Crust Exploration
A worksheet for 7th graders to explore the composition, structure, and processes of Earth's crust.
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Earth's Crust Exploration
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Read each question carefully and answer to the best of your ability. Use the provided image to help answer some questions.
Observe the diagram of Earth's layers below:
1. Which layer of the Earth is the outermost and thinnest?
Mantle
Outer Core
Crust
Inner Core
2. The Earth's crust is primarily composed of which type of rock?
Metamorphic
Sedimentary
Igneous
All of the above
1. The two main types of Earth's crust are oceanic and crust.
2. Plate tectonics describes the movement of large sections of Earth's .
3. Earthquakes often occur at the boundaries where tectonic plates .
1. The oceanic crust is generally thicker than the continental crust.
True
False
2. Volcanoes are typically formed when tectonic plates pull apart.
True
False
1. Briefly describe the theory of plate tectonics and how it relates to Earth's crust.
2. Explain the difference between oceanic and continental crust in terms of density and composition.