seafloor spreading theory
TRANSCRIPT
Hess said that magma rises to the surface. As the magma tries to escape it causes the
seafloor to spread and make room for it. When the magma escapes it flows to the sides of the seafloor. When the lava cools
it creates a new seafloor.
Magma
Ocean Floor
Hess said that magma rises to the surface. As the magma tries to escape it causes the
seafloor to spread and make room for it. When the magma escapes it flows to the sides of the seafloor. When the lava cools
it creates a new seafloor. 1
Hess said that magma rises to the surface. As the magma tries to escape it causes the
seafloor to spread and make room for it. When the magma escapes it flows to the sides of the seafloor. When the lava cools
it creates a new seafloor.
Magma
Ocean Floor
2