Curated OER
Water Retention and Soil Variation in Local Ecosystems
Students identify the differences in local soil types and the relationship between soil size and water retention. They are introduced to microenvironmental conditions in ecosystem sustainability.
Curated OER
Look Out, Below!
Students study the four layers of soil while identifying the substances that each level is composed up. They investigate the properties of soil such as color, texture, water retention and the ability to maintain life by growing a plant.