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Earth Science:)

Vocabulary Words

QuestionAnswer
A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of the oceanic and continental crust Plate
The process which oceanic crust sinks beneath a deep ocean trench and back into the mantle Subduction
Where two plates move apart. Divergent boundary
Two plates that come together. Convergent boundary
Two plates slip past each other in opposite directions. Transform boundary
A break in Earth's crust where slabs of rock slip past each other. Fault
The transferof heat by movements of a heated fluid Convection
The transfer of energy through empty space Radiation
The transfer of heat by direct contact of particles of matter Conduction
The person who came up with the theory of continental drift Alfred Wegener
The process by which molten material adds new oceanic crust to the ocean floor Sea floor spreading
The undersea mountain chain where new ocean floor is produced; a divergent plate boundary Mid ocean ridge
A deep valley along the ocean floor through which oceanic crust slowly sinks towards the mantle Deep ocean (sea) trench
The name of the single landmass thatbroke apart 200 million years ago and gave rise to Earth's continents Pangaea
The amount of mass in a given space; mass per unit volume Density
WHATS IT MADE OF continental crust- oceanic crust- (answer in order) granite basalt
3 divergent boundaries with an exaple DB- volcano CB-mountains TB- earthquakes
3 convergent boundaries, what happens mountains- come together, goes up volcanoes- comes together, goes up, magma comes out deep ocean trench- comes together, goes down
Created by: FLUTEGIRL6
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