intro/features/location
plate tectonics
earthquakes
volcanoes
minerals
100
A prediction based on observation and logic
What is hypothesis
100
the proposed supercontinent 200 million years ago
What is pangea
100
a massive wave created from an earthquake on the ocean floor
What is tsunami
100
magma which erupts onto the earth's surface and begins to cool
What is lave
100
characteristics of having regular geometric shapes
What is crystal
200
a conclusion to a scientific inquiry (question) which CAN'T be proven.
What is scentific law
200
the theory that the earth's lithosphere is divided into several large plates which move slowly
What is plate tectonics
200
the point on the surface of the earth directly above the focus
What is epicenter
200
large, wide, short volcanoes which produce runny mafic lava
What is shield volcanoes
200
measure of the abilty of mineral to be scratched
What is hardness
300
the two dates per year which direct sunlight strikes highest in the northern and southern hemispheres (23.5 degrees)
What is solstice
300
region where one plate moves underneath another.
What is subduction zone
300
a region surrounding the pacific ocean where the majority of the earth's earthquakes and volcanoes occur
What is ring of fire
300
thinnest of all pyroclasts
What is volcanic dust
300
when a mineral breaks along smooth, flat surfaces
What is cleavage
400
the two points on the earth where the earth;s magnetic feilds meet.
What is geomagnetic poles
400
deep feature that forms at a subduction zone
What is ocean trench
400
small earthquakes causes from the readjustment of plates after a major earthquake
What is aftershocks
400
a feature produced when the vent of a volcano is blow apart during eruption
What is crater
400
minerals containing silicon and oxygen (80% of all minerals)
What is silicate minerals
500
a map which shows the earth with true direction (great distortion at the poles)
What is mercator projection.
500
the movement of heat through the asthenosphere which causes plates above to move (what causes plate tectonics)
What is convection current
500
the straightening of plates after plates under stress snap, the cause of the majority of seismic waves
What is elastic rebound theory
500
mafic lava which cools slowly and produces a jagged texture
What is pahoehoe
500
ability of a mineral to glow or change color under UV light
What is fluorescence
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