Plate Tectonics

Front

What causes tectonic plates to move along the Earth's surface? Options: wind, ocean currents, convection in the mantle, expansion of the Earth

Back

convection in the mantle

Front

What type of boundary occurs when two plates move away from each other? Options: transform, subduction, convergent, divergent

Back

divergent

Front

What forms at a divergent boundary between two oceanic plates? Options: rift valley, mountain, mid-ocean ridge, trench

Back

mid-ocean ridge

Front

Which type of crust is more dense? Options: oceanic, continental, divergent, pizza

Back

oceanic

Front

What type of boundary occurs when two plates move toward each other? Options: convergent, divergent, transform, lateral

Back

convergent

Front

What forms at a convergent boundary between a continental plate and an oceanic plate? Options: volcanoes, rift valleys, faults, mid-ocean ridges

Back

volcanoes

Front

A rift valley occurs at a ____________ boundary.

Back

divergent

Front

What is the process in which hot molten rock rises, then cools and sinks back to the core? Options: plate tectonics, continental drift, convection, divergence

Back

convection

Front

A trench forms at a _________ boundary.

Back

convergent

Front

Mountains form at a ___________ boundary.

Back

convergent