Plate Tectonics
Continental drift is when the_ seperate from each other.
What are the plates?
The thickest layer of the Earth
What is the mantle?
The boundary where the plates slide past each other.
What is a transform boundary?
Earthquakes are caused by _ of the plates.
What is movement?
The liquid that comes out of the volcano
What is lava?
The man that came up with the theory of continental drift.
Who is Alfred Wegener?
The innermost layer
What is the inner core?
The boundary where the plates collide.
What is a convergent boundary?
Earthquakes are graded on a scale from a magnitude of _-_
What is 1-10?
The special volcano on Hawaii is called_.
What is a hot spot?
The name Alfred Wegener called Earth when all lands were connected.
What is Pangea?
There is a continental and an oceanic_.
What is the crust?
The boundary where the plates drift away from each other.
What is a divergent boundary?
The wave that an Earthquake produces is called a _ wave.
What is a Seismic wave?
An area where there are very many earthquakes and volcanic eruptions.
What is the Ring of Fire?
The man that proved the theory of plate tectonics
Who is Harry Hess?
the layer that is the only liquid layer
What is the outer core?
The zone where one plate slides under the other.
What is a subduction zone?
The_ is the spot where the earthquake starts.
What is the focus?
An ashy cloud with grinded up rock.
What is a pyroclastic flow?
When the tectonic plates shift under an ocean, what happens?
What is a tsunami?
Convection currents occur in this layer.
What is the mantle?
These are formed when it is a continental-continental convergent boundary.
What are mountains?
The fault in California that many earthquakes occur
What is the San Andreas Fault?
The volcano in Yellowstone is so big that it qualifies as a_.
What is a supervolcano?