Podcast
Questions and Answers
What is the theory that combines continental drift and seafloor spreading?
What is the theory that combines continental drift and seafloor spreading?
- Theory of Earthquakes
- Theory of Continental Drift
- Theory of Plate Tectonics (correct)
- Theory of Seafloor Spreading
What makes up the 'plates' in plate tectonics?
What makes up the 'plates' in plate tectonics?
- The Earth's mantle
- The Earth's crust
- The Earth's lithosphere (correct)
- The Earth's core
What was the original purpose of setting up seismograph networks in the 1950s and early 1960s?
What was the original purpose of setting up seismograph networks in the 1950s and early 1960s?
- To monitor atomic bomb tests (correct)
- To study earthquakes
- To study the Earth's crust
- To study volcanic eruptions
What do the earthquakes and mid-ocean ridges mark on the Earth's surface?
What do the earthquakes and mid-ocean ridges mark on the Earth's surface?
What is the point on the Earth's surface directly above where an earthquake occurs?
What is the point on the Earth's surface directly above where an earthquake occurs?
What was the result of plotting all earthquakes from 1963 to 1998 on a map?
What was the result of plotting all earthquakes from 1963 to 1998 on a map?
What is the lithosphere divided into?
What is the lithosphere divided into?
What is the rate at which plates move over the Earth's surface?
What is the rate at which plates move over the Earth's surface?
What drives plate tectonics?
What drives plate tectonics?
What is the term for the movement of the plates over the Earth's surface?
What is the term for the movement of the plates over the Earth's surface?
What occurs at divergent plate boundaries?
What occurs at divergent plate boundaries?
What is formed at mid-ocean ridges?
What is formed at mid-ocean ridges?
What is the result of convergent plate boundaries?
What is the result of convergent plate boundaries?
What is the process of a continent breaking apart and forming an ocean?
What is the process of a continent breaking apart and forming an ocean?
What is the type of rock formed at mid-ocean ridges?
What is the type of rock formed at mid-ocean ridges?
Where do most geologic activities, including volcanoes, earthquakes, and mountain building, take place?
Where do most geologic activities, including volcanoes, earthquakes, and mountain building, take place?
What is the result of the Indian Plate colliding with the Eurasian Plate?
What is the result of the Indian Plate colliding with the Eurasian Plate?
What is the geologic origin of the Appalachian Mountains?
What is the geologic origin of the Appalachian Mountains?
What is the name of the plate boundary that creates the Cascades volcanoes?
What is the name of the plate boundary that creates the Cascades volcanoes?
What is the name of the famous fault in California that is a transform plate boundary?
What is the name of the famous fault in California that is a transform plate boundary?
What is the geologic origin of the Sierra Nevada?
What is the geologic origin of the Sierra Nevada?
What is the current state of the Pacific Ocean?
What is the current state of the Pacific Ocean?
What is the supercontinent cycle responsible for?
What is the supercontinent cycle responsible for?
What is the geologic origin of the Cascades Range?
What is the geologic origin of the Cascades Range?
What is the result of the movement of the Pacific Plate and the North American Plate?
What is the result of the movement of the Pacific Plate and the North American Plate?
What is the Appalachian Mountains’ current state?
What is the Appalachian Mountains’ current state?
What phenomenon causes the formation of a line of volcanoes known as a continental arc?
What phenomenon causes the formation of a line of volcanoes known as a continental arc?
In which type of plate boundary do oceanic plates subduct into the mantle?
In which type of plate boundary do oceanic plates subduct into the mantle?
What type of boundary leads to the creation of an island arc?
What type of boundary leads to the creation of an island arc?
What type of plate boundary results in some of the world's largest mountain ranges?
What type of plate boundary results in some of the world's largest mountain ranges?
What geological feature is formed when the denser oceanic plate plunges beneath the continental plate?
What geological feature is formed when the denser oceanic plate plunges beneath the continental plate?
What is responsible for causing melting in the mantle in the context of plate tectonics?
What is responsible for causing melting in the mantle in the context of plate tectonics?
What is the result of magma being too viscous (thick) to rise through the crust in a continental arc?
What is the result of magma being too viscous (thick) to rise through the crust in a continental arc?
What type of rock is likely forming beneath the Andes and Cascades today?
What type of rock is likely forming beneath the Andes and Cascades today?
What happens to continental material when two continental plates collide?
What happens to continental material when two continental plates collide?
What is the significant feature of the Himalayan mountains regarding volcanic activity?
What is the significant feature of the Himalayan mountains regarding volcanic activity?
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