Earth & Space Practice

What causes tectonic plates to move along the Earth's surface?

• wind

• ocean currents

• convection in the mantle

• expansion of the Earth

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

• transform

• subduction

• convergent

• divergent

What forms at a divergent boundary between two oceanic plates?

• rift valley

• mountain

• mid-ocean ridge

• trench

Which type of crust is more dense?

• oceanic

• continental

• divergent

• pizza

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

• convergent

• divergent

• transform

• lateral

What forms at a convergent boundary between a continental plate and an oceanic plate?

• volcanoes

• rift valleys

• faults

• mid-ocean ridges

A rift valley occurs at a ____________ boundary.

• divergent

• convergent

• transform

• horizontal

What is the process in which hot molten rock rises, then cools and sinks back to the core?

• plate tectonics

• continental drift

• convection

• divergence

Mountains form at a ___________ boundary.

• transform

• divergent

• convergent

• subduction

What type of boundary occurs when two plates slide past each other?

• divergent

• transform

• lateral

• convergent