All of the current continents were connected as one large landmass now called ___________________.

True or False: Everyone accepted the theory of Continental Drift when it was first presented.

What was used to first discover seafloor spreading?

What are underwater mountain ranges called?

Who suggested the theory for seafloor spreading?

Hot molten rock is _______ dense than the Earth's crust.

When magma moves up to the surface, flows from the cracks and cools it forms new _____________.

_______________ rocks are located closest to the mid-ocean ridges.

How I feel about what I learned this week....