**Please Note: this product is also part of the Soil Bundle. If you have already purchased that product then you do not need to purchase this one.
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This file features a 24-page powerpoint presentation featured around the topic of soil. Topics included are:
- Components of soil - minerals, humus, air, water
- Soil Layers and composition - topsoil, subsoil, bedrock
- How Soil is Formed - weathering and erosion
- Types of soil - silt, sand, clay, loam
- Soil Conservation - plant with cover, composting, types of farming, preventing pollution
Many pictures and examples are included on each slide. Real-life images and graphics are guaranteed to keep your students interested in the lesson.