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C and E plate tectonics Answer Key

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#1 A break in the crust where rocks have slipped past each other What is a fault?
#2 Continental crust consists mainly of this rock What is granite?
#3 Scientists rejected Wegeners theory because he could not What is explain the forces that push and pull continents?
#4 The process by which oceanic crust sinks beneath trenches What is subduction?
#5 Earth's lithosphere is broken into seperate sections called What are plates?
#1 A scientist who studies the forces that make and shape the earth What is a geologist?
#2 In a convection current, the cooler, deser fluid does this What is sink to the bottom?
#3 The transfer of energy through empty space What is radiation?
#4 Who first proposed the theory of Continential drift? Who is Alfred Wegener?
#5 This erupts through the valley of the mid-ocean ridge What is molten material?
#1 Heat transfer by movement of fluid is called What is convection?
#2 This is the boundary where 2 plates slip pass each other What is a transfrom boundary?
#3 This is part of the mantle that can bend like plastic What is the asthenosphere?
#4 The process that continually adds new material to the ocean floor What is sea floor spreading?
#5 The supercontinent that began to break apart 225 million years ago What is pangaea?
#1 Geologists study these waves to gather indirect evidence about the inner earth What are sesmic waves?
#2 These are deep underwater canyons that the ocean floor can plunge into What are deep ocean trenches?
#3 Heat transfer by direct contact of matter particles is What is conduction?
#4 this theory that state that the pieces of the lithosphere are in constant but slow motion What is the theory of plate tectonics?
#5 the oceanic crust is made of this type of rock What is basalt?
#1 The 3 evidences that Wegner used for his theory of continental drift What are matching landforms,similar fossils and evidence of climate change?
#2 The 3 evidences that Hess used for his theory of sea floor spreading What are molten material on the sea floor(pillows), magnetic stripes, and the age of the rocks through drilling samples?
#3 Name the factors that set convection currents in motion what is temperature differences, density difference and gravity?
#4 This is a boundary where 2 plates pull apart from each other What is a divergent boundary?
#5 This is a boundary where 2 plates collide into each other What is a convergent boundary?
Final Question
What happens at the different kinds of convergent boundaries? O-O denser sinks (subduction) O-C denser basalt sinks C-C mountains form