Vocabulary
Name of a "supercontinent" on Earth millions of years ago?
What is Pangea.
A rigid block of crust and upper mantle rock, a piece or section of Earth's crust.
Plate
Earthquakes
Earth's crust moves how often?
All the time.
What is the name of the plate we live on?
North American Plate
Longest mountain chain found in the ocean is called...
Mid Ocean Ridge
Theory of plate movement.
Plate Tectonics
What happens along a convergent boundary when two continental plates meet?
Mountains form
The theory of Continental Drift was introduced by?
Alfred Wegener
Name one piece of evidence that Wegener gave for his theory of Continental Drift.
Process that forms new sea floor along a rift.
Sea Floor Spreading
Plates collide among this boundary
Convergent Boundary
What happens when two plates move apart?
Sea Floor Spreading
Mid Ocean Ridge
Name one piece of evidence Wegener used for his theory of Continental Drift.
Fossils of plants and animals found on continents that were too far apart.
Theory of how continents move over Earth's surface.
Plates move away from each other along this boundary
Divergent Boundary
What happens when an ocean plate meets a continental plate?
Volcanoes
The deepest part of the ocean is called?
Marianas Trench
Name one piece of evidence Wegener used for his theory of Continental Drift.
Climate change-tropical plants found on continents that are cold and could not have grown there.
Remains or traces of past life found in the crust.
Fossils
Plates grind past each other along this boundary
Transform Fault Boundary
What happens when an ocean plate meets an ocean plate?
One sinks under the other plate and ocean trenches are formed.
Which ocean is known for having the deepest part?
Pacific Ocean
The process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle again is called..
subduction