10 Questions
What is the main characteristic of rocks that form the oceanic crust?
High density
What happens to the rock in the mantle due to intense pressure and heat?
It softens and partially melts
What is the result of the movement of the two plates away from each other at a divergent plate boundary?
The formation of new oceanic crust
What is the term for the process of hot material rising from the mantle to the surface and causing the tectonic plates to split?
Convection currents
What is the feature that forms as a result of the formation of new oceanic crust at a divergent plate boundary?
Mid-oceanic ridge
What occurs when two tectonic plates are moving towards each other?
Convergent boundary
What is the process called when a denser oceanic plate sinks beneath another plate?
Subduction
What is the term for the area where the Pacific Ocean plate is being subducted beneath the North American plate?
Ring of Fire
What is the result of the sinking oceanic plate being destroyed?
Volcanic activity
What is the term for the boundaries where tectonic plates move horizontally past each other?
Transfer boundaries
Test your knowledge about the different types of crust, their composition, and the processes that shape the Earth's surface. Learn about the characteristics of continental and oceanic crust, convection currents, and the role of the mantle and asthenosphere in plate tectonics.
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