Soil Horizons and Oregon's State Soil

Grades 5-10

Woods Soil Profile

Soil in one area can be quite different from soil in anĀ­other. Why? Because of CLORPT (CLimate, Organisms, Relief Parent material and Time), the five soil forming factors. This lesson covers soil profiles, horizons, and information on Oregon's official state soil, Jory. Includes: a teacher demo, two hands-on activities and a student reading.