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Easy
100
The place where the earth's volcanoes, mountain ranges, and earthquake epicenters are centered
Belt
100
The densest layer of the earth
Core
100
It is made up of solid nickel and iron.
Inner Core
100
This is where the devastating magnitude 9.0 earthquake occurred.
Japan
100
This is located on a long, raised strip of the Atlantic ocean floor.
Mid-Atlantic Belt
200
A horseshoe-shaped belt
Circum-Pacific Belt
200
Fastest seismic waves
Primary or P-waves
200
Surface feature formed when mantle in an area melts
Volcano
200
This unified the continental drift and seafloor spreading theory.
Plate Tectonics Theory
200
This layer of the earth moves and causes the formation of volcanoes.
Mantle
300
This is located on a long, raised strip of the Atlantic's ocean floor.
Mid-Atlantic Belt
300
The crust and the topmost part of the mantle.
Lithosphere
300
A long narrow belt where a place sinks into the mantle
Subduction Zones
300
Magma exposed to the surface
Lava
300
A cone-shaped mountain built from layers of lava.
Volcano
400
A group of mountain systems that is composed of mountain ranges.
Mountain Belt
400
A fracture that separates one plate from one another.
Plate boundary
400
A bend in the rock resulting from the compression of rock layers when the continents collide
Fold
400
This kind of waves move in an up and down motion perpendicular to the direction of the waves.
Secondary or S-waves
400
The sudden motion of the earth's crust due to the release of a tremendous amount of energy in the rocks
Earthquakes
500
It is composed of a volcanic group of islands in the north Atlantic.
The Azores
500
This kind of waves move in an up and down motion perpendicular to the direction of the waves.
Mohorovicic Discontinuity
500
This makes up most of the mantle
Peridotite
500
This is within the mantle and causes the continents to move.
Convection currents
500
World's largest mountain system
Andes Mountains