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