Plate Tectonics

Front

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

Back

convection currents in the mantle

Front

What type of boundary occurs when two plates move away from each other?

Back

divergent

Front

What forms at a divergent boundary between two oceanic plates?

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?

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?

Back

convection

Front

A trench forms at a _________ boundary.

Back

convergent

Front

Mountains form at a ___________ boundary.

Back

convergent