Stronger Than Dirt!


Key Content Areas: Biotic and Abiotic Interactions, Mathematical Analysis, Ecology, Scientific Inquiry
Contributors: Wil White, Laurens Central School
Grade Levels: 6-12
Time Needed: 120-240 minutes; 2 weeks

Soils have an important impact on the development of plant systems. Soil is a heterogeneous mixture of three basic ingredients: clay, silt, and sand. Soils also contain organic matter. In this lab activity, students will select different materials and create soil types. Students plant seeds and compare which soils offer the best growing conditions for different plants.

Stronger than Dirt

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