Curated OER
SOIL
Second graders name the various materials that comprise soil, including weathered rock and other organic matter; and explain that soils differ in their color, texture, capacity to retain water, and ability to support the growth of many...
Curated OER
Soil
Second graders name the various materials that comprise soil, including weathered rock and other organic matter. They explain that soils differ in their color, texture, capacity to retain water, and ability to support the growth of many...