Plate tectonics refers to the movement of the Earth's plates. The landscape of the North Island of New Zealand has been shaped by plate tectonics. The Earth's core is very hot and this melts the rocks around it. The solid crust is around 30km thick and is divided into plates. The boundaries of these plates are called subduction, compression, extension and transform boundaries and movements here create volcanoes and earthquakes.

This clip is from:
World Physical
First broadcast:
21 February 2008

Can be used during a module on Tectonic Activity. Students should make notes on the Plate Tectonics theory. They should pay particular attention to specific facts given, such as temperatures of the core and the number of larger tectonic plates. Simple diagrams of the four types of plate boundary should be made and labelled. The follow up activity in class would then be to add more information to the four diagrams.