Unit 2 The relief
The four spheres of the Earth http://video.about.com/geography/The-Four-Earth-Spheres.htm
Continental drift https://dl.dropboxusercontent.com/u/7379299/Recursos_didactics/Geologia/Tectonics_Box_Web/04_El_motor_que_mueve_las_placas/03_Animacion_Tectonica_Deriva_continental_I.swf
The main volcanoes
Tectonic boundaries http://www.kidsgeo.com/geology-for-kids/0045-divergent-boundaries.php
Volcanoes
Devil’s tower
Mount Etna
Japan
Haiti
Tectonic plates’ action 8,848 metres high
The Himalayas
Erosion Wind Monument Valley River. Grand Canyon
Sea
Human activity Deforestation Progress
Agriculture
Progress
Relief features Kilimanjaro, north of Tanzania
The Rocky mountains
Bisons in the Great Plains
A plateau
Reservoirs in the sedimentary basin of the River Ebro
Santa Barbara valley. Asturias