1
2
3
4
5
100
the outermost layer of the Earth
What is crust
100
The lower part of the mantel
What is mesoshere
100
the boundery formed when two tectonic plates collide
What is convergent boundery
100
the bending of rock layers due to stress
What is folding
100
a vent or fissure in the earths surface through which magma and gases are expelled
What is volcano
200
the layer of earth in between the crust and the core
What is mantel
200
a block of lithoshere
What is tectonic plates
200
the boundery formed when tectonic plates pull apart
What is divergent boundery
200
a break in a body of rock
What is fault
200
the body of molten rock that feeds the volcano
What is magma chamber
300
the middle of the earth
What is core
300
the theory that the continents were once one big landmass and then broke and drifted apart
What is continental drift
300
the boundary formed when two plates slide past each other horizontally
What is transform boundary
300
the study of earthquakes
What is seismology
300
a large semicurcular depression that occures when a magma chamber partially empties and the ground sinks in
What is caldera
400
the portion of earth that consists of the crust and upper part of the mantel
What is lithoshere
400
the forming of of new oceanic lithoshere as magma rises
What is sea-floor spreading
400
stress that occures when two forces act to squeez something
What is compression
400
a wave of energy that passes through the earth during an earthquake
What is seismic wave
400
a wide, flat landform that come from repeaded nonexplosive eruptions of lava that spreads over the land
What is lava platu
500
the portion of earth that consists of the lower part of the mantel and the core.
What is asthenoshere
500
the theory that explains how tectonic plates move and change shape.
What is plate tectonics
500
stress that occurs when forces act to streatch an object
What is tension
500
the point on earths surface where the earthquake starts
What is epicenter
500
an area of deep cracks where tectonic plates pull apart
What is rift zone
M
e
n
u