Show:
Boundaries
Plates
Continent(s)
Down Under
100

the boundery that makes mountains 

What convergent boundaries 

100

Series of plates

What is plate techtonics

100
The theory of how continents move
What is Continental Drift
100

What is a mid-ocean ridge?


Surface heat flow is highest, Vast under water mountain chain, formed by divergent plate boundaries 

200

spreads plates apart

What is divergent boundaries 

200
moves plates
What is convection currents
200
Scientist who first introduced continental drift
Who is Alfred Wegener
200

Where is the youngest ocean floor found?

Mid-Ocean Ridge 
300
dsistorts the earth
What is transform boundery
300

younger & thinner, denser, made with basalt rocks 

What is oceananic crust

300
the force on the rest of the plate from the Asthenosphere below cooling, sliding rock
What is ridge push
300

Long, narrow, and extremely deep depressions on the ocean floor

What is deep trenches

400
spreads away
What is divegent
400
one plate decends beaneath a other
What is subduction
400
The force exerted by a sinking plate caused by the subduction of the lithosphere into the athenosphere
What is Slab pull
400

Subduction Zone 

Trenches formation, convergent plate boundaries  

500
slams into each other
What is convergent
500
A sudden movement along the boundaries of a tetonic plate.
What are earthquakes
500
A supercontinent that existed approximately 300 million years ago.
What is pangaea
500

Fixated,  intensely hot plumes of magma rising from deep within the Earth’s mantle

What is Hotspots