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Ch 10 Plate Tectonic

QuestionAnswer
The youngest rocks on the ocean floor are located at mid-ocean ridges
The crust and upper mantle make up Earth's lithosphere
The result of plate movement can be seen at plate boundaries
The ___ mountains formed by the collision of the Indo-Australian Plate and the Eurasian Plate Himalaya Mountains
Evidence that supports the theory of continental drift: Fossils, rocks, climate clues
Hypothesis that states that continents have slowly moved to their current locations continental drift
Type of boundary where plates move apart divergent boundaries
A super continent that existed about 200 million years ago Pangaea
The Glomar Challenger provided proof of plate tectonics by providing: samples of older rock found far from mid-ocean ridges
Boundary where plates slide past one another transform boundary
Boundary where plates move together convergent boundary
Seafloor spreading occurs because molten material beneath Earth's crust rises to the surface
The man responsible for the theory of continental drift was Alfred Wegener
A fossil plant that helps support the theory of continental drift is Glossopeteris
Matching ______on different continents are evidence of continental drift. rock structures
Bands of rock on seafloor showing alternating magnetic orientation indicate that the Earth's magnetic field has reversed itself in the past
A sensitive device used to detect magnetic fields on the seafloor magnetometer
______ currents inside the Earth might drive plate motion Convection currents
Differences in __________cause hot, plasticlike rock in the asthenosphere to rise toward the Earth's surface. density
The Great Rift Valley in Africa is a ________ boundary. divergent
Active volcanoes are most likely to form at convergent oceanic-continental boundaries
_________ are formed when two continental plates collide. Mountain ranges
The ________ is an example of a transform boundacory San Andreas Fault
A place where a denser oceanic plate sinks down below a less dense oceanic or continental plate. Subduction zone
Person who was responsible for the theory of seafloor spreading Harry Hess
Created by: cmorrow1
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