Plate Tectonics Review of Terms

Boundary where two plates separate

Circulation of material caused by differences in temperature ... 

What area is flat due to an accumulation of sediments far from the ridge? 

Forms at divergent plate boundaries 

Convergent boundaries form 

Boundary where one plates slide past each other ... 

Hot layer of Earth that moves 

Force that causes plates to move away from the ridge 

Cold rigid outermost rock layer is called ...

Forces that drag the lithosphere similar to a conveyor belt ... 

As a slab sinks, it pulls on the rest of the plate with a force called ... 

When a denser plate sinks below the more buoyant plate - this process is called: 

Hypothesis that states that the continents are in constant motion on the surface of Earth. 

Boundary where two plates collide 

What is Pangaea?

Faults and earthquakes are common along this boundary 

On either side of a mid-ocean ridge, magnetic stripes match & show older crust has moved away 

Why didn't other scientists believe Wegener? 

State in which magnetized objects point north ... 

Process by which new oceanic crust forms along a mid-ocean ridge and moves away from the ridge

One of these things does NOT support Wegener's hypothesis ... (NOT support!!) 

This states that Earth's surface is made of slabs of rock that move 

Vocanoes are more commonly found at what plate boundaries? 

What does TECTONIC mean when used by Geologists? 

Mountain Ranges in the middle of the oceans are called ...