Show:
the scientific method/ properties of earth
plate tectonics
earthquakes
volcanoes
rocks and minerals
100
these lines intersects at 0 degrees north and 90 degrees east.
The International date line and the equator
100
what is the formation of new seafloor and the movement of older seafloor outward
seafloor spreading?
100
What is the impact of one more point in magnitude in wave amplitude?
an increase in one point of magnitude is 100 times more wave amplitude than the previous point.
100
Which lava is thinner and lighter than the other, felsic or mafic?
Mafic lava is thinner and lighter than felsic lava.
100
what is the most common type of coal i pennsylvania?
bituminous coal is the most common
200
the sun directly hits the equator during this season.
autumnal and vernal equinox
200
Which crust is thicker and more dense than the other, oceanic crust or continental crust?
continental crust is thicker and more dense than oceanic crust
200
transform boundaries are the primary reason for what natural disaster?
earthquakes.
200
What do some volcanoes like Kilauea form from?
some volcanoes like Kilauea form from hot spots.
200
no vegetation, steep slope, and hard rainfall cause the greatest amount of what
soil erosion
300
the sun strikes at the highest point above the equator during this season.
summer solstice
300
what kind of boundaries form non volcanic mountains?
continental-continental convergent boundaries
300
What is an epicenter?
the point on the earths surface that is directly above where the earthquake occurred is known as the epicenter.
300
What region can you find many of the world's volcanoes in?
Most of the world's volcanoes are found in region known as the ring of fire.
300
when what dissolves it causes sinkholes to form?
when sandstone dissolves it casues sinkholes
400
our moon and the solar system are part of this main topic
astronomy
400
what kind of convergent boundaries form trenches and volcanic islands.
oceanic- oceanic
400
what do you need 3 seismographs for?
a minimum of three seismographs are needed in order to pinpoint the location of an earthquakes epicenter.
400
what kind of mafic lava cools slowly and is "ropy"
pahoehoe
400
that hardest mineral is the ?
diamond
500
What is an invariable?
A necessary variable in a scientific experiment that never changes and always stays the same
500
divergent boundaries form ?
mid ocean ridges
500
What scale demonstrates the damage and intensity of an earthquake.
the modified Mercalli scale
500
volcanic dust is the smallest type of?
pyroclast?
500
coal, and natural gas are the most common resources in ?
pennsylvania?