Theory of Plate Tectonics

What is the area where two tectonic plates meet called?

• Collision

• Mid- ocean ridge

• A Rift- valley

• A boundary

At which type of boundary are mountains formed?

• Convergent

• Divergent

• Transform

• Subduction

What type of boundary is formed when plates collide?

• Divergent

• Transform

• convergent

• collision boundary

What type of boundary is formed when plates slide past each other?

• Horizontal Boundary

• Transform

• Convergent

• Divergent

What type of boundary is formed when plates separate?

• Convergent

• Divergent

• Horizontal

• Transform

According to the continental drift theory, a single, huge continent once existed called

• Pangaea

• Wegner

• Andrea

• Mountain

What is the process that takes place at mid-ocean ridges?

• Continental Drift

• Sea- floor spreading

• Uplift

• Subduction

When an oceanic plate and a continental plate collide, which one will subduct?

• Continental

• both

• Oceanic

• neither

The Great Rift Valley in Africa and the Mid-Ocean Ridge were all created by this boundary

• Divergent

• convergent

• transform

• both convergent and transform

Who is the person credited with developing the theory of continental drift?

• Harry Hess

• Henry Hess

• Alfred Wegener

• Alvin Wegener