1
what natural disaster is created from transform plate boundaries.
earthquakes and tsunamis
What is it called when one plate goes under another.
subduction
What are the plates beneath the ocean called.
oceanic
What are the three ways heat is transferred.
conduction, convection, radiation
What landforms are made from convergent plate boundaries.
mountains
What causes the sea floor to spread.
convection currents
What is a continental plate.
pieces of the lithosphere above sea level
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
divergent boundary; sea-floor spreading
What land mass is formed from divergent plates.
trenches
Where is the youngest rock material found on a ridge.
Along the middle of the ridge
Who created the theory of continental drift.
Alfred Wegner
What happens when a oceanic and continental plate converge.
The oceanic plate subducts under the continental plate.
What is it called when two plates slip past each other.
transform
What is the liquid called that is below the crust called.
magma
What was some evidence on why the continental drift theory is true.
fossils, climate, etc.
What happens when two oceanic plates converge.
the cooler denser one subducts below the other one.
What happens if ocean floor pushes down into the mantle.
the crust remelts.
How is new crust formed.
crust being pulled below trenchs
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
How are volcanos formed.
when two plates converge