Round 2: Plate Tectonics Quiz

What is the scientific theory that explains the movement of Earth's lithospheric plates?

What is the process where one tectonic plate sinks beneath another into the mantle?

What is a boundary where two plates move away from each other, forming mid-ocean ridges or rift valleys?

What is the driving force of plate movement caused by heat circulation in the mantle?

What is the zone of frequent earthquakes and volcanic activity surrounding the Pacific Ocean?

What is a tectonic boundary where two plates grind past each other horizontally?

What is the large underwater mountain chain formed by divergent plate boundaries in the ocean?

What is the outer rigid layer of the Earth, composed of the crust and upper mantle?

What geologic feature forms when two continental plates collide?

What are hot, fixed areas in the mantle that create volcanic island chains as plates move over them?