Digging Into Soil

Digging Into Soil Activity Source: American Geophysical Union. Adapted with permission from “Soils Sustain Life,” AGI. Materials Piece of heavy duty PVC pipe about one inch in diameter and 10 inches long Piece of wood doweling that will fit inside the PVC pipe Hammer Wood block Leather garden glove Hand lens or microscope Non-toxic marker Large sheet of white posterboard Six clear plastic sandwich bags Plastic knife Tools for separating soil, such as tweezers, tongue depressor, drinking straw Paper towels (for clean up) Procedure 1. [Read More]