The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
the earth's shape, slightly wider at the equator due to rotation
oblate spheroid
100
thin, dense crust found on the ocean floor
oceanic crust
100
first waves to arrive from an earthquake
p waves
100
molten rock found under the earths surface
magma
100
rocks form from the cooling and crystallizing of magma
igneous rocks
200
a conclusion to a scientific inquiry (question) which can't be proven
theory
200
the proposed supercontinent 200 million years ago
pangaea
200
second waves to arrive from an earthquake
s waves
200
mafic lava which cools quickly and produces a jagged trexture
aa
200
sediments are compacted and cemented together
sedimentary rock
300
the spinning of the earth on it's axis
rotation
300
the diverging of oceanic crust and forming of new seafloor
seafloor spreading
300
the measure of energy in seismic waves
magnitude
300
mafic lava which cools slowly and produces a ropy texture
pahoehoe
300
intense heat and pressure underground morphs the rock
metamorphic rock
400
the two dates per year which direct sunlight strikes the highest in the northern and southern hemispheres (23.5)
solstice
400
where two plates move apart from one another
divergent boundary
400
a massive wave created from an earthquake on the ocean floor
tsunami
400
large volcanoes which produce explosive felsic lava
composite volcanoes
400
measure of the ability of a mineral to be scratched
hardness
500
the imaginary line which the earth spins upon
axis
500
where two plates slide past one another
transform boundary
500
regions where plates under stress move apart
fault zones
500
a feature produced when the vent of a volcano is blew apart during an eruption
crater
500
the color of a mineral in powdered form
streak
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