How is soil made? Breakin’ it down

Vol. 21 | Gr. 9-12 | U28015
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Materials list:
• How Soils are Formed Collection, 1 per 2–3 students (C30192)
• Post-It® Notes Cube (9727211)
• Artist tray (9727607)
• Graham crackers
• Cookies
• Chips
• Salsa
• Frosting
• Whipped cream