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Questions and Answers
What is the main characteristic of rocks that form the oceanic crust?
What is the main characteristic of rocks that form the oceanic crust?
- Medium density
- Low density
- High density (correct)
- Variable density
What happens to the rock in the mantle due to intense pressure and heat?
What happens to the rock in the mantle due to intense pressure and heat?
- It softens and partially melts (correct)
- It becomes solid and rigid
- It remains unchanged
- It becomes denser and heavier
What is the result of the movement of the two plates away from each other at a divergent plate boundary?
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 (correct)
- The formation of a subduction zone
- The formation of a transform fault
- The formation of a convergent boundary
What is the term for the process of hot material rising from the mantle to the surface and causing the tectonic plates to split?
What is the term for the process of hot material rising from the mantle to the surface and causing the tectonic plates to split?
What is the feature that forms as a result of the formation of new oceanic crust at a divergent plate boundary?
What is the feature that forms as a result of the formation of new oceanic crust at a divergent plate boundary?
What occurs when two tectonic plates are moving towards each other?
What occurs when two tectonic plates are moving towards each other?
What is the process called when a denser oceanic plate sinks beneath another plate?
What is the process called when a denser oceanic plate sinks beneath another plate?
What is the term for the area where the Pacific Ocean plate is being subducted beneath the North American plate?
What is the term for the area where the Pacific Ocean plate is being subducted beneath the North American plate?
What is the result of the sinking oceanic plate being destroyed?
What is the result of the sinking oceanic plate being destroyed?
What is the term for the boundaries where tectonic plates move horizontally past each other?
What is the term for the boundaries where tectonic plates move horizontally past each other?
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