Lesson Objective — Students will learn to identify and describe soil horizons found in the soil in their locale. Students will construct a scale model of the horizons found in their soil pit. Subject Area — Soil Science Grade Level — Grade 7 through 12 Alaska Science Standard SD2.1 Season to be Best Complete Lesson — Fall or very Late Spring. It is best if there is no snow on the ground. Time to Complete Lesson — It will take a half an hour of introductory time in the classroom Read More …