What is the theory of Continental Drift?
All the continents were once 1 big super continent and over time they all spread away.
What is the name of the big super continent?
What evidence do we have about continental drift?
Mountain Ranges line up, Plants in Antarctica, Fossils.
What is seafloor spreading?
When a pocket of magma comes out of a mid-ocean ridge and spreads out then cools, making more land.
What is a plate?
A piece of the Earth's Crust that moves around making Plate Tectonics.
What is the main cause of plate tectonics?