Identify the components of three kinds of soil, compare their component commonalities and differences. Older students can classify the components as organic or inorganic.
Science content (2016 curriculum):
Biology: Food Webs, Ecosystems, Biomes (3, 4)
Earth/Space: Landforms, Erosion (3)
Earth/Space: Rock cycle, Earth Materials, Natural resources (5)
Science topic (2005 curriculum connection):
Earth and Space Science: Air, Water and Soil (grade 2)
Earth and Space Science: Earth's Crust (grade 7)