Our world is made up of seven major continental plates.These plates include the Pacific, North American, South American, African, Antarctic, Eurasian and the Australian-Indian (also known as the Indo-Australian) plate. There are also other smaller plates such as the Nazca plate and the Philippine plate. This website will tell you all you need to know about the theory of plate tectonics and how the plates move. It will also tell you what happens when these plates collide and what is created when this happens. Click the tabs above or the links below to find out more.