Earth's Layer
The outermost solid layer of the Earth.
What is the crust
All of the continents formed into one
What is Pangea
The amount of force per unit area that is placed on an object.
What is stress
What is a Volcano
The ground movement that occurs when blocks of rock in Earth move suddenly and release energy.
What is an earthquakee
Located between the core and the crust
What is the Mantle
To explain the age and magnetic patterns of sea-floor rocks, scientists proposed a process.
What is Sea-floor spreading
The process by which rocks change shape when under stress
What is Deformation
Less dense than solid rock, melted rock
What is Magma
What is the Focus
The movement of matter that results from differences in density caused by variations in temperatures
What is convection
Large-scale movements of Earth's lithosphere
What is Plate tectonics
Occurs when rock layers bend under stress
What are folds
Magma when it has cooled
What is lava
Directly above the focus on Earth's surface
What is the Epicenter
Extends from below the mantle to the center of the earth.
What is the Core
The lithosphere divided into pieces.
What is tectonic plates
The 3 kinds of
What are faults
What is Viscosity
The return of rock to its original shape after elastic deformation
What is Elastic Rebound
It is in immense pressure and is a giant metal ball in the center of the earth
What is the Inner Core
The divergent, convergent and transform
What are Boundaries
The oldest layers of rock are found at the core of the fold
What are anticlines
Hot ash and bits of rocks may also be ejected into the atmosphere
What are pyroclastic materials
A series of extremely long waves that can travel across the ocean.
What is a Tsunami