Course Content Soil and the Environment 13 Activities Expand Lesson Content Lesson 01 – Why Is Soil Important? Lesson 02 – What Is Soil Made Of? Lesson 03 – Soil Particles Lesson 04 – Air and Water in Soil Lesson 06 – Air and Water for Plant Roots Lesson 07 – Nutrients in Soil Lesson 08 – Three Types of Soil Lesson 09 – Wonderful Worms! Lesson 11 – Composting Lesson 13 – George Washington Carver Lesson 12 – All About Sand Lesson 10 – How Nature Recycles Lesson 05 – Experiment: What Is in This Soil?
