![U.s. Geological Survey: What's in My Soil? [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "U.s. Geological Survey: What's in My Soil? [Pdf] Lesson Plan")
US Geological Survey
U.s. Geological Survey: What's in My Soil? [Pdf]
Lesson plan engages students to separate, examine and identify the major components of soil to better understand how these components give soil its unique physical characteristics.