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Questions and Answers
What is the primary cause attributed to earthquakes and volcanic activity according to the theory of plate tectonics?
What is the primary cause attributed to earthquakes and volcanic activity according to the theory of plate tectonics?
Which technique uses seismological data to create a three-dimensional image of seismic wave anomalies?
Which technique uses seismological data to create a three-dimensional image of seismic wave anomalies?
What does the Slab Pull Theory explain?
What does the Slab Pull Theory explain?
How do convection currents in the Earth's mantle primarily function?
How do convection currents in the Earth's mantle primarily function?
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Which system is utilized for highly accurate positioning and navigation worldwide?
Which system is utilized for highly accurate positioning and navigation worldwide?
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What combination of factors contributes to the movement of convection currents within the Earth's mantle?
What combination of factors contributes to the movement of convection currents within the Earth's mantle?
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When was the Mantle Convection Theory proposed?
When was the Mantle Convection Theory proposed?
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What does the term lithosphere refer to?
What does the term lithosphere refer to?
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Study Notes
Earth’s Mechanism of Plate Tectonics
- Plate tectonics explains events like earthquakes, volcanoes, and mountain formation.
- Satellite Laser Ranging (SLR) measures distances between a ground-based instrument and an orbiting satellite.
- Global Positioning System (GPS) provides high-precision positioning, navigation, and timing data globally.
- Seismic tomography uses seismic wave data to create 3D images of anomalies in the Earth's interior.
- Mantle Convection Theory explains the movement of the Earth's mantle due to heat transfer through convection currents.
- Slab Pull Theory refers to the force exerted on a tectonic plate sinking into the mantle.
Mantle Convection Theory
- Proposed by Arthur Holmes in 1929, Convection currents are flows within a fluid that transfer heat.
- Convection currents in the Earth's mantle are driven by heat from the core and the mantle itself.
Slab Pull Theory
- This theory focuses on the force created by denser oceanic plates sinking under less dense continental plates at convergent boundaries (subduction zones).
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Description
This quiz explores the fundamental concepts of plate tectonics, including the mechanisms behind earthquakes, volcanoes, and mountain formation. It delves into theories like mantle convection and slab pull, as well as technologies used for measurement such as GPS and seismic tomography. Test your understanding of how these processes shape our planet.
