Podcast
Questions and Answers
Why does the Ring of Fire account for 80% of Earth’s volcanic and earthquake activity?
Why does the Ring of Fire account for 80% of Earth’s volcanic and earthquake activity?
Why do some places have earthquakes and volcanoes while others, like CT, do not?
Why do some places have earthquakes and volcanoes while others, like CT, do not?
Why are earthquakes and volcanoes more likely to occur at plate boundaries?
Why are earthquakes and volcanoes more likely to occur at plate boundaries?
What is subduction in the context of plate tectonics?
What is subduction in the context of plate tectonics?
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Why does subduction occur where oceanic and continental plates converge?
Why does subduction occur where oceanic and continental plates converge?
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What geological feature is associated with a transform plate boundary?
What geological feature is associated with a transform plate boundary?
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What evidence did Alfred Wegner use to support his theory of continental drift?
What evidence did Alfred Wegner use to support his theory of continental drift?
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Which of the following statements about Earth’s crust is true?
Which of the following statements about Earth’s crust is true?
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In which layer of the Earth does convection occur?
In which layer of the Earth does convection occur?
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What are the 3 types of rocks?
What are the 3 types of rocks?
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Where would you expect to find fossil remains?
Where would you expect to find fossil remains?
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What makes up the Earth’s lithosphere?
What makes up the Earth’s lithosphere?
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What occurs at a subduction zone?
What occurs at a subduction zone?
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What process leads to the formation of igneous rocks?
What process leads to the formation of igneous rocks?
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What drives the movement of tectonic plates according to the Theory of Plate Tectonics?
What drives the movement of tectonic plates according to the Theory of Plate Tectonics?
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What is formed when existing rocks undergo extreme heat and pressure?
What is formed when existing rocks undergo extreme heat and pressure?
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What geological feature is associated with a divergent plate boundary?
What geological feature is associated with a divergent plate boundary?
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Why does subduction occur where oceanic and continental plates converge?
Why does subduction occur where oceanic and continental plates converge?
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What occurs at a transform plate boundary?
What occurs at a transform plate boundary?
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What process leads to the formation of igneous rocks?
What process leads to the formation of igneous rocks?
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What drives the movement of tectonic plates according to the Theory of Plate Tectonics?
What drives the movement of tectonic plates according to the Theory of Plate Tectonics?
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Why are earthquakes and volcanoes more likely to occur at plate boundaries?
Why are earthquakes and volcanoes more likely to occur at plate boundaries?
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Which of the following is a true statement about the Earth's lithosphere?
Which of the following is a true statement about the Earth's lithosphere?
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What kinds of evidence did Alfred Wegner use to support his theory of continental drift?
What kinds of evidence did Alfred Wegner use to support his theory of continental drift?
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In which layer of the Earth does convection occur?
In which layer of the Earth does convection occur?
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What are the 3 types of rocks classified by?
What are the 3 types of rocks classified by?
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What geological feature is associated with a transform plate boundary?
What geological feature is associated with a transform plate boundary?
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What process leads to the formation of sedimentary rocks?
What process leads to the formation of sedimentary rocks?
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Which rock type would you expect to find fossil remains in?
Which rock type would you expect to find fossil remains in?
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Why does subduction occur where oceanic and continental plates converge?
Why does subduction occur where oceanic and continental plates converge?
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Why are earthquakes and volcanoes more likely to occur at plate boundaries?
Why are earthquakes and volcanoes more likely to occur at plate boundaries?
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Study Notes
Plate Tectonics
- The Ring of Fire accounts for 80% of Earth's volcanic and earthquake activity due to the convergence of multiple plate boundaries.
- Earthquakes and volcanoes occur at plate boundaries where there is a build-up of stress between plates.
Subduction
- Subduction occurs where oceanic and continental plates converge, with denser oceanic plates being pushed beneath the lighter continental plates.
- Subduction zones are characterized by deep-sea trenches and volcanic arcs.
Plate Boundaries
- Divergent plate boundaries are associated with mid-ocean ridges and the formation of new oceanic crust.
- Transform plate boundaries are associated with fault lines, such as the San Andreas Fault.
- Convergent plate boundaries can be either continental-continental or oceanic-continental, resulting in mountain building or subduction.
Rocks
- The three types of rocks are igneous, sedimentary, and metamorphic.
- Igneous rocks are formed through the cooling and solidification of magma or lava.
- Sedimentary rocks are formed through the compression and cementation of sediments.
- Metamorphic rocks are formed through the alteration of existing rocks under high heat and pressure.
Earth's Structure
- The lithosphere is the outermost solid layer of the Earth, broken into several large plates that move relative to each other.
- Convection occurs in the Earth's mantle, driving the movement of tectonic plates.
Continental Drift
- Alfred Wegener used fossil evidence, similarities in coastline shapes, and paleomagnetism to support his theory of continental drift.
Earth's Crust
- The Earth's crust is broken into several large plates that move relative to each other, resulting in geological activity at their boundaries.
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Description
Study guide for Unit 2 test on geological processes. Focuses on Activity 6: Mapping Locations of Earthquakes and Volcanoes. This review packet is to be completed by 1/16 to prepare for the test on 1/17.
