The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcano
Rocks and Minerals
100
The Earth's shape, Slightly Wider at the Equator due to Rotation
Oblate Spheroid
100
the proposed supercontinent 200 million years ago
Pangaea
100
The point on the surface of the earth directly above the surface
Epicenter
100
mafic lava which cools quickly and produces a jagged texture
Aa
100
Squeezed together
compaction
200
The imaginary line which the Earth spins upon
Axis
200
thin, dense crust found on the ocean floor
Oceanic Crust
200
regions where wave created from an earthquake on the floor
Fault Zones
200
any structure which moves magma to the earths surface
volcano
200
forms in layers
stratification
300
The molten, liquid iron layer under the mantle
Outer Core
300
think, light crust found on land
Continental Crust
300
the point under the surface of the earth where plates fault
Focus
300
the opening which magma erupts onto the surface
vent
300
the reflectivity of a mineral
luster
400
The two dates per year which direct sunlight strikes the equator
Equinox
400
the diverging of oceanic crust and forming of new seafloor
Seafloor Spreading
400
a device which measures seismic waves
Seismograph
400
dark colored, thin lava found primarily in oceanic crust
mafic lava
400
when a mineral brakes along smooth flat surfaces
cleavage
500
The transitional, semi-liquid layer underlying the crust
Mantle
500
a mountain chained formed due to seafloor spreading
Mid-Ocean Ridge
500
A massive wave central form created from an earthquake on the ocean floor
Tsunami
500
mafic lava which cools slowly and produces a ropy texture
pahoehoe
500
rocks that are formed underground
intrusive
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