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The science method / properties of earth
plate tectonics
earth quakes
volcanoes
rocks and minerals
100
what is the outer most layer of the earth?
crust
100
what ocean is currently growing in size due to seafloor spreading?
pacific ocean
100
what's the primary cause of earthquakes?
transform boundaries
100
Where is the Ring of Fire located?
pacific ocean
100
what is the difference between cleavage and fracture?
Cleavage is when minerals break apart in flat sheets or even sheets and Fracture is when minerals break unevenly along an irregular surface
200
what is mantle?
Transitional layer made of both solid and liquid materials where heat is transferred
200
what is seafloor spreading?
The formation of a new seafloor and the movement of older seafloor outward
200
Of the following, which demonstrates the most intense earthquake?
IV
200
Mafic lava is _____ and _____ than felsic lava
thicker, lighter
200
The most common coal found in pennsylvania is called and what does it produce?
Anthracite, Bituminous
300
what order do the seasons go through and what are they
Summer Solstice, Autumnal Equinox, Winter Solstice, and Vernal Equinox
300
what forms non-volcanic mountains
continental-continental convergent boundaries
300
Of the following, earthquakes of which magnitude occur most often?
2.1
300
How do Volcanoes form
when magma makes it's way to the surface
300
what is fracking?
it is the technology where pressurized water and chemicals are used to fracture shale, in order to obtain natural gas.
400
The cooridinates of the point where the Equator crosses the International Date Line are
90 degrees N, 90 degrees W
400
Features which form at the center of seafloor spreading regions are known as
trenches
400
what's the scale that demonstrates the intensity or damage caused by an earthquake.
Modified Mercalli
400
What is a shield volcano?
a broad, domed volcano with gently sloping sides, characteristic of the eruption of fluid, basaltic lava.
400
what are 3 characteristics of minerals
soild, occur naturally inorganic
500
where are most active volcanoes?
indonesia
500
properties of how to identify a mineral
color,streak,luster,hardness,cleavage