External Links
Land weathering in Geography4kids.
Mechanical, chemical and biological weathering.
Land erosion in Geography4kids.
What is it, how can it be and which are its results.
Landform picture gallery at About.com. With photos and basic data.
Observe landforms formed by erosion.
Visualize valleys, cliffs, caverns and more at Exploring Earth online book.
Stunning views of glaciers from space.
Collection of 13 stunning images of some of the world's most impressive and beautiful glaciers, captured from space by astronauts and satellites.
Glacier picture gallery at About.com. With photos and basic data.
Extensive article, with images and videos, to teach you about the formation of dunes, their types, and their ecological features.
Learn the basics of soils.
The formation of soils in Geography4kids.
Learn which are the factors than condition the formation and evolution of the soils.
Observe how sediments are deposited.
Visualize the depositing of sediments in a sea-shore at Exploring Earth online book.
Observe clastic sedimentary rocks forming.
Visualize how a sedimentary rock is formed out of rock grains at Exploring Earth online book.