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...
National First Ladies' Library
A Blessing in Disguise
Young scholars study the history of polio as well as a history of modern medicine, the history of alternative medicine and the role of the scientific method in each of these histories. They review the scientific method and research...