How does soil appear on a newly born, barren volcanic island? In this session, participants explore how soil is formed, its role in certain Earth processes, its composition and structure, and its place in the structure of the Earth.

Originally released by Annenberg Learner, 2004. Streaming video file encoded with permission for digital streaming by Infobase on November 06, 2018.

Introduction: Earth's Solid Membrane: Soil (4:29); --What Is Soil? (4:45); -- Soil Formation Process (3:47); -- Children Interviews: Joana and Emily (8:38); -- Children Interviews: David (3:02); -- Physical or Chemical Weathering (5:07); -- Components of Soil (7:17); -- Soil Horizons (4:40); -- How Deep Is Soil? (7:07); -- Soil Misconception (2:16); -- Soil Composition (5:36); -- Credits: Earth's Solid Membrane (1:28);.