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Plate Tectonics

Teacher: Mrs. Pisch
Across
The larger landmasses in the oceans
Cracks perpendicular to ridges
A type of dredged rock
Rocky layer located under the crust of the earth
How many main oceans are on earth
Submerged mountain ranges
Molten iron nickel layer that surrounds the inner core
When plates move apart
A zone of the earths mantle that lies beneath the lithosphere
Down
They must come together
The number of crustal plates that the earths surface breaks into
Vast flat areas
Solid iron nickel center of the earth
The "solid" part of the earth made up of the crust & upper mantle
Mountains,hills,plateaus and plains are examples
Fuels plate movement
Narrow deep gashes
Rigid, rocky, outer surface of earth
70% of the earths surface
the part of the earth's surface that is not covered by water