History
How do plate tectonics cause earthquakes?
The plates shift causing the ground to shake
This is the fault line that runs through California.
The San Andreas Fault
Plate boundaries when plates run into each other.
Convergent
This is the name of the theory that land forms are moving due to geologic activity.
Continental Drift.
This is the average speed of tsunamis.
500 miles per hour.
This is the name of the Earth's supercontinent.
Pangaea
These are the two different types of plates.
Oceanic and continental.
What is the Ring of Fire
The most seismically and volcanic-ally active zone in the world
This is the metallic hot part of the earth.
The Inner Core
What will volcanic rock and ash eventually become?
(Hint: It benefits farmers.)
Fertile Soil
__________ plates are thicker than ____________ plates.
Continental, Oceanic
What two men helped Wegener with his theory
Arthur Holmes and Harry Hess
This device can detect tectonic movement or shifts.
Seismograph
These beautiful landscapes are formed by Convergent Plate Boundaries
Mountains.
What are the three types on convergent boundaries?
oceanic-oceanic oceanic-continental continental-continental
In what century did Alfred Wegener start his theory of plate tectonics
20th century
Name of the Mountain Range running along the Ocean Floor in the Atlantic Ocean.
Atlantic Ridge
What creates geothermal energy?
heat from geologic activity
This plate boundary occurs when plates move away from each other.
Divergent