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Continental Drift
Mountains
Volcanoes
100
the idea that the earth's landmasses were once just one large landmass
What is the theory of continental drift
100
3 types of volcanoes
What are folded, fault-block, & dome
100
where most volcanoes occur
What is deep cracks in the earth's surface
200
the scientist who came up with the continental drift theory
Who is Alfred Wegner
200
formed from the force of the plates pushing against each other causing the crust to bulge until "waves" appear
What are folded mountains
200
the ocean in which the Ring of Fire encircles
What is the Pacific Ocean
300
this explains how and why continents drift
What is the theory of plate tectonics
300
formed along faults - one side moves up while the other moves down
What are fault-block mountains
300
where magma can escape
What is a vent
400
crustal plates float on this
What is the upper layer of the mantle
400
pushes up the earth and causes a mountain to bulge
What is magma
500
how many tectonic plates are there
What is 10
500
these are formed when a bulge pushes against the crust
What are dome mountains