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21 questions
Tectonic plates are huge pieces of ____________ that slowly move on the asthenosphere and consist of the crust
and the rigid, uppermost part of the mantle
atmosphere
lithosphere
rock formations
land mass
A tectonic plate division of the lithosphere that includes the continental crust of Greenland, North America, Siberia, and the surrounding oceanic crust is called the
Northern Plate
Northern Hemisphere
Upper Plate
North American Plate
A tectonic plate division of the lithosphere, including most of the landmasses of Europe and Asia is called
Plate of Europe and Asia
European Plate
AsiaEuro Plate
Eurasian Plate
A tectonic plate division of the lithosphere that includes the continental crust of Africa and the surrounding oceanic crust is known as the
Somali Plate
Euroafrican Plate
African Plate
South American Plate
A tectonic plate division of the lithosphere that includes the continental crust of South America and the oceanic crust extending to the Mid-Atlantic Ridge is called the
South American Plate
Columbian Plate
Indo-Australian Plate
North American Plate
A tectonic plate division of the lithosphere that includes the continental crust of India and Australia and the surrounding oceanic crust is known as the
Sub-Australian Plate
Indo-African Plate
Indo-Australian Plate
South American Plate
A tectonic plate division of the lithosphere that includes the continental crust of Antarctica and the surrounding oceanic crust
Sub-Arctic Plate
Alaskan Plate
Antarctic Plate
North Pole Plate
A tectonic plate division of the lithosphere that is composed entirely of oceanic crust and lies beneath the Pacific Ocean is called the
Atlantic Plate
Pacific Plate
Gulf Coast Plate
Oceanic Plate
Density of plates is:
easily breakable
constantly shifting
the amount of matter in a given space or volume
thinner in ocean crust
Oceanic crust is
thick and porous
sandy and thin
thin and dense
thick and dense
Continental crust is
thin and sandy
dense and thin
thick and less dense
rough and dense
The place where two different plates have contact is called
subduction
trench
fault
plate boundary
This occurs when two tectonic plates move toward each other and collide
tsunami
convergent boundary
volcano
subduction
This occurs when one plate is denser than another and is forced below as the two plates converge at their boundary. Oceanic trenches are formed this way by ocean plates.
convergent boundary
ocean trench
subduction
divergent boundary
A major geological event that occurs when a dense plate subducts below a less dense plate and molten rock spews out from the mantle to the surface of Earth
mountain building
volcanic eruption
ocean trench
earthquake
A major geological event that occurs when continental plates of equal density converge, resulting in mountain chains
mountain building
earthquakes
fault lines
spreading ridges
This occurs when two tectonic plates move away from each other
San Andreas Fault
spreading ridges
convergent boundary
divergent boundary
These are formed from new crustal material
at diverging oceanic plate boundaries
mountains
spreading ridges
transform boundary
ocean trenches
An area of oceanic crust covered by seawater and surrounded by areas of continental crust is called
crustal rock material
transform boundary
divergent boundary
ocean basin
This occurs when two tectonic plates slide past each other (the San Andreas Fault in California is a famous example)
Pacific Plate
convergent boundary
fault line
transform boundary
A major geological event that occurs when plates shift suddenly and release stored energy; frequent occurrences along all types of plate boundaries
earthquake
tidal wave
volcanic eruption
meteor
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