How is soil made? Breakin’ it down

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