Plate Boundaries Flashcards
Earth’s lithosphere is divided into
several large, rigid slabs of solid rock called __________
tectonic plates
enumerate the 8 major tectonic plates
African Plate Antarctic Plate Eurasian Plate Australian Plate Nazca Plate North American Plate Pacific Plate South American Plate
TRUE/FALSE: The Philippine Sea plate is a small type of plate
TRUE
______________ are characterized by plates moving toward each other
Convergent
boundaries
________ are described by plates moving away
from each otheR
divergent boundaries
______________,
the plates are sliding past each other
transform-fault boundaries
Where is the Philippines Sea Plate found?
found found in the western side of the Pacific Plate forms a convergent boundary with the Eurasian
Plate and with the Indo-Australian Plate
At the ______ boundary,
crust is continuously being destroyed as it returns to the _______
convergent boundary; asthenosphere
slabs of denser oceanic crust are pushed down into the
mantle below, in areas called _______
subduction zones
are curving chains
of volcanic islands that occur over the belt of deep-focused earthquakes
island arcs
how does divergent boundaries occur?
between two plates that are moving away from each other
a long, underwater rift valley winding through the ocean floor
mid-ocean ridge
TRUE/FALSE: The Mid-Atlantic Ridge is a divergent boundary between the South
American and African plates
true
