A break in the earth's crust
fault
This state is mostly made of Volcanoes.
Hawaii
The Earths Crust is made of these which are constantly moving....hold on!
Plate Techtonics
Sea floor spreading is found at which type of plate boundary?
Divergent
The type of boundary occurs when two plate techtonics slide past eachother.
Transform Boundary
This is an area not on a plate boundary where volcanoes frequently occur
hot spot
This layer of the earth is the hottest.
Inner Core
They can form when earth's plates collide
Mountains
This type of boundary occurs when plate techtonics is pushed up past another plate techtonic.
Convergent Boundary
Before it comes out of the earth, what is lava referred as?
Magma
The earth's outer core is made up of this
very dense liquid
The theory that continents drifted apart is called?
Continental drift
This device measures ground movement
seismograph/richter scale
Another term for a volcano that is not dead, but not active.
Dormant
Most of the earth's mass is located here (thickest layer)
mantle
The force that moves tectonic plates
convection currents in the mantle
This is the point that sits on the Earth’s Crust directly above the Earthquakes focus.
Epicenter
In the year 76AD, Mt. Vesuvius erupted, killing, but amazingly preserving, the people in a frozen, ashen state in this city.
Pompeii
What makes up and what is located in the Lithosphere?
Earth's crust/tectonic plates
What is one piece of evidence that supports Wegener's theory of continental drift
Continents shape, Fossil records and alternating rows of magnetism on the ocean floor near the Mid Atlantic ridge