Curated OER
WALK, DON'T RUN
1. Bring two quarts of moist soil, a cake pan, a sprinkling can of water and a quart of grass clippings to class.
2. Share background material, and introduce the word "erosion."
3. Prepare a small model hill by mounding the soil in the...
Curated OER
Digging in the Dirt
First graders awareness is raised that not all dirt is the same. They compare and observe particle sizes in three different kinds of soils. They keep a record book of what the discover and talk about how some soils are alike and some...