Breana Rocha's Science Project
On Plate Tectonics Continental Drift and Seafloor Spreading.
The theory of seafloor spreading was that hot less dense materials rise toward the surface of the ocean (magma) and then it creates the ridges mountains or volcano. The new magma pushes the seafloor sideways.
The Mid-Ocean Ridge is a evidence that seafloor spreading may be true because at the mid ocean ridge magma is pushed through the surface of the oceanic crust and makes rocks, the younger rocks are closer to the middle and older rocks are farther away which can expand the sea floor.
I think that the theory of seafloor spreading is true because there is evidence that scientist have proved the theory correct.
The fossils of mesosaurus was found in Africa and south america. this swimming reptile lived in fresh water and on land. Which means it was impossible for them to swim in salt water from south america to Africa
I think that the evidence for this theory is valid and that i believe that continental drift is possible.
the theory that the lithosphere is broken up into many pieces called plates
convergent-go toward each other
divergent -go away from each other
transform- slide past each other