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Questions and Answers
What drives plate motion according to the text?
What type of plate boundary interactions result in the formation of shield volcanoes?
What causes the formation of mountains and valleys at Normal Faults?
What does the magnitude of an earthquake measure?
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What type of stress results in the formation of faults?
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At which type of plate boundary do shield volcanoes often form?
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What drives the movement of tectonic plates?
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What landforms are often associated with the process of sea-floor spreading?
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What causes an explosive volcanic eruption?
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Which type of plate boundary is characterized by plates sliding past each other?
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What type of stress results in the stretching and thinning of the Earth's crust?
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Which type of plate is denser and typically subducts beneath another plate?
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Study Notes
Plate Tectonics
- Convection currents in the Earth's mantle drive plate motion.
Plate Boundary Interactions
- Divergent plate boundaries result in the formation of shield volcanoes.
Normal Faults
- The formation of mountains and valleys at Normal Faults is caused by the movement of the Earth's crust.
Earthquakes
- The magnitude of an earthquake measures the amount of energy released during the earthquake.
Fault Formation
- Tensile stress results in the formation of faults.
Plate Boundaries
- Shield volcanoes often form at divergent plate boundaries.
- Transform plate boundaries are characterized by plates sliding past each other.
Sea-Floor Spreading
- The process of sea-floor spreading is often associated with the formation of mid-ocean ridges and oceanic crust.
Volcanic Eruptions
- The buildup of pressure due to the accumulation of gases in magma chambers causes explosive volcanic eruptions.
Plate Composition
- Oceanic plates are denser and typically subduct beneath continental plates.
Types of Stress
- Tensile stress results in the stretching and thinning of the Earth's crust.
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Description
Test your knowledge on the evidence supporting the theories of continental drift and plate tectonics, including fossils, land features, climate data, sea-floor spreading, subduction, convection, and the characteristics of oceanic and continental plates. Learn about plate interactions at boundaries.
