Information on Wind Erosion:

http://www.evsc.virginia.edu/~desert/wind/wind.html

http://www.netc.net.au/enviro/fguide/wind.html

http://www.nrcs.usda.gov/technical/ECS/agronomy/photos.html

http://www.weru.ksu.edu/vids/

Information on Water Erosion:

http://www.agriculture.gov.au/nrm4.cfm?display2=Water&display3=Water%20erosion&display4=Fact%20sheets

http://www.grand.canyon.national-park.com/info.htm#land

http://www.exploratorium.edu/ronh/adventure/arches.html

http://www.nyelabs.com/homedemos/homedemo21.pdf  --This one could be a good teacher-only resource, OR something we could incorporate into our actual webquest.  Also, Bill Nye’s rad.

http://abe.www.ecn.purdue.edu/~wepphtml/wepp/wepptut/jhtml/wtrersn.html

Information on Glacial Erosion:

http://www.gpc.edu/~pgore/students/w97/landry/

http://www.kelleysisland.ws/natural_areas/glacial_grooves.htm