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100
What are the 3 types of plate boundaries
What is Convergent, Divergent and transform
100
This is caused by friction at the plate boundries
What is earthquakes
100
Deepest part of the ocean caused by subduction
What is the Mariana Trench
100
The --------- ----- is bent downward to form a deep depression in the ocean
What is subducting plate
100
What does the lithosphere consist of?
What is crust and upper mantle
200
What happens when a continental and oceanic plate meet?
What is subduction
200
As plates move apart ___ ______ is erupted to fill the gap
What is new material
200
Where are volcanoes mostly focused?
What is Plate margins
200
Unlike volcanoes, _______ are unpredictable as far as location.
What is earthquake
200
How do we know what the earth is made of?
What is Geo physical surveys
300
What kind of crust is dense and thin?
What is oceanic crust
300
What are plates made out of?
What is the lithosphere
300
What is below the lithosphere?
What is Astenosphere
300
What is below the astenosphere?
What is the mesophere
300
What process creates trenches?
What is subduction
400
Name the 3 ways volcanoes are formed
What is subduction-rifting-hotspots
400
The word "tectonic" refers to what?
What is deformation of the crust
400
What causes hot spots?
What is hot mantle plumes
400
What makes the plates move?
What is hot rock under the mantle
400
What kind of crust is buoyant and old?
What is continental crust
500
Name the 3 types of convergent boundaries
What is oceanic-oceanic collision, oceanic-continental collision, continental-continental collisions
500
What is an example of a transform boundary?
What is Andres Fault
500
What type of boundary runs through Iceland?
What is Divergent
500
What is an example of continental rifting?
What is iceland
500
How many tectonic plates are there?
What is 12