W.E.D.

http://www.onegeology.org/extra/kids/earthprocesses/weathering.html

http://science.nationalgeographic.com/science/photos/weathering-erosion-gallery/#/baffin-island_832_600x450.jpg

http://www.kidsgeo.com/geology-for-kids/0060-weathering.php

 http://www.bbc.co.uk/bitesize/ks3/science/environment_earth_universe/rock_cycle/revision/1/

 http://www.bbc.co.uk/schools/riversandcoasts/rivers/change_river/pg_06.shtml