3.7 Soil

The student will investigate and understand the major components of soil, its origin, and
importance to plants and animals including humans. Key concepts include
a) soil provides the support and nutrients necessary for plant growth;
b) topsoil is a natural product of subsoil and bedrock;
c) rock, clay, silt, sand, and humus are components of soils; and
d) soil is a natural resource and should be conserved.

Research Resources:
FOSS Web – Earth Materials

All about Soil

The Earth’s Soil

The Dirt on Soil Movies

Soil Game


Design Briefs:
Engineering for the Three Little Pigs