Unit 1: Hydrologic Cycle
· Materials needed (letters correspond with diagram of setup on the right): A. Tray, with pencil holes punched through the bottom and mesh screen covering the holes; B. Sediment ~3 cups per tray of soil type 1: Fine sand + clay mixture (make sure there is enough clay to impede infiltration) ~3 cups per tray of soil type 2: Medium to coarse sand