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Vocabulary
Types of boundaries
Continental drift
Layers of the earth
Misc.
100
rocks on opposite sides of a fault move in opposite directions or in the same direction at different rates
What is strike slip fault
100
geologic events that occur at transform boundaries
What is major earthquakes
100
occurs because convection currents cause sea floor spreading
What is continental drift
100
rigid rocky outer surface of the Earth, composed mostly of basalt and granite
What is the crust
100
sections of lithosphere that are floating on the asthenosphere
What are plates
200
hypothesis that the continents have moved slowly to their current locations
What is continental drift theory
200
geologic events that occur at divergent boundaries
What are mid-ocean ridges, seafloor spreading, volcanoes, rift valleys
200
evidence used to support the theory of continental drift
What are rock, climate, fossils
200
solid iron-nickel center of the Earth that is very hot and under great pressure
What is the inner core
200
happens at a mid ocean ridge
What is seafloor spreading
300
area where an oceanic plate goes down into the mantle
What is subduction zone
300
geologic events that occur at convergent boundaries
What are mountains, volcanoes, minor earthquakes deep-sea trenches, subduction zone
300
proposed the theory of continental drift
Who is Alfred Wegener
300
layer located under the crust
What is mantle
300
theory that the earth was once on large landmass
What is Pangaea
400
the sections of Earth's curst and upper mantle
What are plates
400
place where two plates move together
What is a convergent boundary
400
proposed the theory of seafloor spreading
Who is Harry Hess
400
molten iron-nickel layer that surrounds the inner core
What is the outer core
400
thin parts of the Earth's crust located under the oceans
What is Oceanic Crust
500
the theory that states that Earth's crust and upper mantle are broken into sections, which move around on a special layer of the mantle
What is plate tectonics
500
plate boundary that occurs when two plates slide past one another
What is a transform boundary
500
the rate the plates are moving
What is 1-12 cm per year
500
the plasticlike layer of Earth's surface below the lithosphere
What is the astehnopshere
500
the thick parts of the Earth's crust, not located under the ocean
What is continental crust