The Great Plant Escape
You've Learned the Mysteries of Green Life

Soil

The outer covering of the earth where plants grow. Soil is made up of minerals (sand, silt, clay), air, water, and organic matter.

 

   
Home Case 1 - In Search of Green Life Case 2 - Soiled Again! Case 3 - Is It Dust, Dirt, Dandruff or a Seed? Case 4 - Plantenstein Is the Suspect! Case 5 - Mysterious Parts That Surprise! Case 6 - You've Learned the Mysteries of Green Life Glossary Links Teacher's Guide Credits The Great Plant Escape