How is soil made? Breakin’ it down Vol. 21 | Gr. 9-12 | U28015 DOWNLOAD Materials list • How Soils are Formed Collection, 1 per 2–3 students (C30192) • Post-It® Notes Cube (9727211) • Artist tray (9727607) • Roll of wax paper [KI01046(Z)] • Graham crackers • Cookies • Chips • Salsa • Frosting • Whipped cream Related