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100
What are tectonic plates made of?
What is rigid lithosphere
100
What are the three styles of convergent plate boundaries?
What is continent to continent collision, continent to oceanic crust collision, and ocean to ocean collision
100
How are volcanoes formed?
What is subduction, rifting, and hot spots
100
What is an example of continental drifting
What is Iceland
100
The plate motion causes them to _____, pull apart, or _______ against each other
What is collide, scrape
200
What lies beneath the tectonic plates?
What is the asthenosphere
200
What is ocean to ocean plate collision?
When 2 oceanic plates collide and one runs over the other which causes it to sink into the mantle forming a subduction zone
200
What are transform boundaries
when plates slide past each other
200
Describe the oceanic crust
What is thin, dense, and young
200
Each type of interaction causes a characteristic set of earth _____ or _____ features
What is structures, tectonic
300
Plates of the lithosphere are moved around by the underling what?
What is hot mantle convection cells
300
What is the lithosphere made of?
What is the crust and the upper part of the mantle
300
Volcanism is mostly focused at what
What is plate margins
300
How do we know what the earth is made of?
What is geophysical surveys
400
What are the three types of plate boundaries?
What is divergent, convergent, and transform
400
What kind of plate boundaries move apart?
What is divergent
400
What are hot spot volcanoes?
when hot mantle plumes breaching the surface in the middle of the tectonic plates
400
The earths crust is divided into __ major plates
What is 12
400
Describe continental crust
What is thick, buoyant, old
500
Iceland has a ______ plate boundary running through its middle
What is divergent
500
What kind of plate boundaries move together?
What is convergent
500
At the boundaries between plates _____ causes them to stick together
What is friction
500
The word tectonic refers to what
What is the deformation of the crust as a consequence of plate interaction
500
Oceanic lithosphere _____ and ________ as it subsides, the melt rises forming volcanism
What is heats and dehydrates