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100
The earth is made up of what two crusts
What is continental crust and oceanic crust
100
What is continent-oceanic crust collision called?
What is subduction
100
the youngest crust
What is continental crust
100
The three boundary types
What is divergent, convergent, and transform
100
A very deep depression in the ocean floor is called what?
What is trench
200
How many styles of convergent plate boundaries are there?
What is 3
200
What are volcanoes formed by?
What is subduction, rifting, and hotspots
200
what is below the lithosphere
What is asthenosphere
200
Which crust is the most buyant
What is continental crust
200
When melt rises what does it form?
What is volcanism
300
How do we know what the is made of
What is Geophysical surveys
300
What is it called when plates slide past each other?
What is transform
300
Explain what transform is
when two plates rub against eachother
300
Plates are made of rigid________
What is Lithosphere
300
When one oceanic plate runs over another and forces it down what does it form?
What is Subduction zone
400
What are the three styles of convergent plate boundaries?
What is continent-continent collision, continent-oceanic crust collision, ocean -ocean collision
400
True or False: Continent-Continent collision forms trenches
What is False
400
True or False: Oceanic crust sinks under continental crust
What is True
400
True or False: Ice land has a convergent boundary running through its middle
What is False
400
Where is volcanism mostly focused at?
What is plate margins
500
The Earth is divided up into _____ major plates
What is 12
500
What is a hot mantle plume breaching the surface in the middle of a tectonic plate?
What is Hotspot volcanoes
500
What happens to the gap that two separating plates create
New materials fill the gap
500
Plate motion causes them to _____, pull apart, or scrape against eachother
What is collide
500
What are two mountain ranges that were formed by continent-continent collisions?
What is European alps, himalayas