Plate Tectonics
Volcanoes
Earthquakes
Mountain Building
Vocabulary
100
The man who hypothesized about the supercontinent Pangea
Who is Alfred Wegener
100
Magma type that has the highest silica content and is the most explosive
What is rhyolitic magma
100
This type of fault is described as plates moving horizontally past one another
What is a strike-slip fault
100
The type of crust that is the most dense
What is oceanic crust
100
Supercontinent proposed by Wegener
What is Pangea
200
Number of major plates that the Earth is broken up into
What is 12
200
This is a pluton that is mushroom shaped due to how it affects overlying rock
What is a laccolith
200
Seismic wave that arrives first after an earthquake
What is a p-wave
200
Area underneath a mountain or mountain range that help keep those mountains buoyantly supported
What is a mountain root or root system
200
Plates boundary where plates are moving farther apart
What is a divergent boundary
300
This states that new ocean crust is formed at ocean ridges and destroyed at deep sea trenches
What is seafloor spreading
300
Type of volcano characterized by a broad base and gently sloping sides
What is a shield volcano
300
seismic waves that are associated with the damage done on the surface of Earth
What are surface waves
300
Type of mountain range formed at an Oceanic-Oceanic convergent boundary
What is an island arc complex
300
Sections of active faults that have not experienced significant earthquakes for a long period of time
What is a seismic gap
400
Type of plate boundary where subduction zones are likely to occur
What is a convergent plate boundary
400
Term used to describe a substance's resistance to flow
What is viscosity
400
Scale used to rank the intensity of an Earthquake
What is the Modified Mercalli Scale
400
Slow process of a mountain rising due to erosion where roots of the mountain will become smaller and more exposed
What is isostatic rebound
400
Rocks and other material that are ejected from a volcano during an eruption
What is tephra
500
Three pieces of evidence that Wegener used to support his hypothesis of continental drift
What is fossil evidence, similar rock types, climate change
500
Area where most volcanoes occur on Earth (scientific name)
What is the circum-pacific belt
500
The three types of stress that can be applied to rocks
What is tension, compression, and shear
500
Earth's tallest mountain range formed from Continental-Continental convergence
What is the Himalayas
500
The displacement of the mantle by Earth's crust is a condition of equilibrium called ___________
What is isostasy