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MJHS8 Plate Tectonic

MJHS8 Plate Tectonics Vocabulary

Question	Answer
heat transfer by direct contact of particles of matter	Conduction
string of volcanoes on a continent; caused by collision of oceanic and continental plates	Continental volcanic arc
transfer of energy through empty space	Radiation
the slow movement of continents over Earth’s surface	Continental drift
change or switch in the Earth's magnetic poles	Magnetic reversal
movement of energy from a warmer object to a cooler object	Heat transfer
string of volcanic islands near a deep-ocean trench	Volcanic island arc
heat transfer by the movement of a heated fluid	Convection/convection current
area where magma from the mantle melts through the crust	Hot spot
undersea mountain chain where new oceanic crust is produced	Mid-ocean ridge
process by which molten material adds new ocean floor	Sea-floor spreading
deep underwater canyon where oceanic crust bends down	Deep-ocean trench
process in which oceanic crust sinks back into the mantle	Subduction
pieces of the lithosphere broken into separate sections	Tectonic plates
pieces of the Earth’s lithosphere are in slow, constant motion	Plate tectonics
break in the Earth’s crust/lithosphere where rocks can slip past each other	Fault
where two plates slide past each other in opposite directions	Transform boundary
place where two plates move away from each other	Divergent boundary
a deep valley on land where two plates move apart	Rift valley
the place where two plates collide or come together	Convergent boundary

Created by: aaron.blake on 2010-11-17

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MJHS8 Plate Tectonic

MJHS8 Plate Tectonics Vocabulary