NSDL Science Refreshers



2 results returned

Resources for Science > Earth Science > Earth Process and Materials > Soil > Pollution/Conservation

The Dirt on Soil

http://school.discovery.com/schooladventures/soil/index.html

This page is from Discoveryschool.com. It has three sections. The first one, Down and Dirty, describes the various soil horizons. The second section, Field Guide, identifies some soil organisms and the third section, Soil Safari, is an animated tour of th

Resource Type: Reference Material - Nonfiction Reference, Audio/Visual - Illustration, Audio/Visual - Photograph
Grade Level: K, 1, 2, 3, 4, 5, 6

Trees, soil and water - Journey to Forever

http://journeytoforever.org/tree.html

Trees, soil and water: Journey to Forever - healthcare for mountains, trees for deserts, trees for people, forest, forestry, deforestation, erosion, soil conservation, water conservation, desertification.

Resource Type: Reference Material - Article, Reference Material - Nonfiction Reference
Grade Level: 3, 4, 5, 6