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Earth's plates meet at ____________.

• plate tectonics

• plate boundaries

• continental drift

• oceans

Breaks in the crust called __________ form where plates meet.

• mountains

• rift valleys

• faults

• trenches

Plates slide past each other at _________________ boundaries.

• divergent

• convergent

• transform

• universal

Plates slide apart along _____________ boundaries.

• convergent

• divergent

• transform

• universal

Which theory describes the motion of the force driving Earth's Plates?

• continental drift

• plate tectonics

• first law of motion

• third law of motion

What is the motion of Earth's plates like?

• fast and in stages

• slow and in stages

• fast and constant

• slow and constant

What is the correct order (starting from the surface) of Earth’s layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

Most geologists think that the movement of Earth’s plates is caused by _______

• convection.

• continental drift.

• subduction.

• conduction.

The geological theory of _______ states that pieces of Earth’s lithosphere are in constant, slow motion.

• subduction

• plate tectonics

• deep-ocean trenches

• sea-floor spreading

The place where two plates come together is known as a _______

• transform boundary.

• divergent boundary.

• convergent boundary.

• rift valley.