Soil and Earthworms The Great Plant Escape - Soiled Again http://www.urbanext.uiuc.edu/gpe/case2/index.html Detective Le Plant needs you to get your hands dirty by helping him dig for clues in the soil. To solve this case, you must find out what soil is, why it is important, and in what kinds of soil plants grow. Happy digging! Worm Quiz http://www.nrcs.usda.gov/feature/education/squirm/skQstns.html Erosion Issues http://www.abag.ca.gov/bayarea/enviro/erosion/erosion.html All About Earthworms http://yucky.kids.discovery.com/noflash/worm/pg000102.html http://yucky.kids.discovery.com/noflash/worm/index.html The Adventures of Herman, the Earthworm Discover the anatomy of a worm and take an interactive quiz. http://www.urbanext.uiuc.edu/worms/ pH Test in Your Garden http://www.thegardenhelper.com/acidsoil.html Exploring Soil Students will compelete a scavenger hunt on the web to learn more about soil. Click here to access the student handout.  Look for the Exploring Soil document. Geography 4 Kids: Soil Formation http://www.geography4kids.com/files/land_soil2.html