where molten material rises from the mantle and erupts.
What is a mid-ocean ridge?
200
known as the supercontinent
What is pangea?
200
where two plates slide past each other, moving in opposite directions.
What is a transform plate boundary?
200
the thickest layer of the Earth
What is the mantle?
200
heat transfer by the movement of a heated fluid (liquids and gases).
What are convection currents?
200
the Earths North and South pole have flipped many times
What is magnetic evidence?
300
3 things used to prove pangea
What are fossils, rocks, and the climate?
300
Place where two plates are moving apart
What is a divergent plate boundary?
300
thelayer of ther Earth that is made of iron and nickel and is a solid/liquid
What is the outer core?
300
large continents begin to crack and split apart, the gaps fill with water, small seas become oceans, the mid ocean ridge continues to produce new crust
What is sea-floor spreading?
300
the layer of the Earth that is located in the center of the mantle
What is the asthenosphere?
400
the scientific process that made the continents change shape
What is wheathering?
400
edges of plates
What are plate boundaries
400
the very center of the Earth and it is a solid ball of metal
What is the inner core?
400
area where the oceanic crust goes under the continental crust
What is subduction zone?
400
land formation formed when convergent plates push on each other
What is a mountain?
500
the process that made the continents move
What is continental drift?
500
heated rock rises in plumes (thin columns) from mantle
What is a hot spot?
500
the layer of the Earth that is between the mantle and the crust
What is the lithosphere?
500
area where the Earth's plates spread apart and forms a giant gap
What is a fault?
500
object that Alfred Wegener said the continents could be