Intro/Features/
Locations
Plate Tectonics
Earthquake
Volcanoes
Minerals
100
a conclution to a scientific inquiry which cant be proven
What is a theory
100
the theory that the earths continents have drifted apart over time
What is continetal drift
100
the straghtening of plates after plated under stress snap, the cause of the majority of seismic waves
What is elastic rebound theory
100
molten rock found under the surface
What is magma
100
when a mineral breaks along smooth, flat surface
What is Cleavage
200
the earths shape, slightly wider at the equater due to rotation
What is a oblate spheroid
200
what is mid ocean ridge
What is Mountain chained formed due to seafloor spreading
200
small earthquakes causes from the readjustment of plates after a major earthquake
What is afterschocks
200
magma which erupts onto the earths surface and begins to cool
What is lava
300
what is axis
what the earth spins on
300
what is oceanic crust
What is this dense crust found on the ocean floor
300
what is the focus
What is the point under the surface of the earh where plates fault
300
what is vent
What is the opening which magma erupts onto the surface
300
a streak
What is the color of a mineral in powder form
400
what is outer core
this layer of the earth is made up of molten or liquid iron
400
region where one plate moves underneath another
What is subduction zone
400
the point on the surface of the earth directly above the focus
What is epicenter
400
mafic lave which cools quickly and and produces a jagged mixture
What is Aa
500
imaginary line that runs horizontal across the earth to distinguish location on earth
What is latitude
500
a chain of volcanic islands that forms a subduction zone
What is island arc
500
primary waves, first waves to arrive from an earhquake
What is P waves
500
what is marble size pyroclast
What is Lapilli
500
Measure of the ability of a mineral to be scratched
What is Hardness
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