Each group needs:

• plastic tub (5.6L/6 quart) – 1 per group
• clay (tennis ball sized and brown in color)
• sand (500 mL)
• soil (500 mL)
• additional materials to use for making models, or students can bring their own
• water in plastic beaker (600 mL)
• salt (for creating a saltwater ocean model)
• safety glasses
• rubber gloves
• plastic beakers (600 mL)
• forest, animal toy figures, plastic trees, or similar model figures for decoration and illustrative purposes