Plate Tectonics

What is the process that continually adds new crust to the ocean floor?

• subduction

• continental drift

• convergent

• sea floor spreading

What type of landform is at letter "C"?

• Mid-ocean ridge

• Continental crust

• Deep ocean trench

• Sea floor spread

What was Pangea?

• The name of a German scientist

• A supercontinent that existed 300 million years ago

• Another name for a convergent boundary

• The name of an index fossil

This forms when continental crust and continental crust meet at a convergent boundary.

• Mountains
• Volcanoes
• Mid-Ocean Ridges

• Rift Valley

What is the process by which oceanic crust sinks beneath continental crust and melts into the mantle?

• continental drift

• mid-ocean ridge

• faults

• subduction

What is the plate boundary where two plates slip past each other moving in opposite directions?

• transform

• convergent

• divergent

What is the name of this tectonic plate boundary?

• convergent

• divergent

• convention

• convection

The geological theory that states that pieces of Earth's plates are in constant, slow motion, and moved by convection currents in the mantle is the theory of _______________

• Subduction

• Plate Tectonics

• Deep ocean trenches

• Sea floor spreading

What plate boundary occurs when two plates move toward each other?

• transform

• convergent

• divergent

• convent

What is the place called where two plates meet?

• Drift

• Tectonics

• Pangea

• Boundary