Modeling Pollution In A Watershed

Materials

• 1 9x9 aluminum tray

• 3 cups of uncooked rice

• 3 colors of sanding sugar

• 3 small objects, such as buttons

• 1 syringe

• 1 plastic beaker or large cup

• 3 small plastic cups

Virginia Science Standards of Learning - 4th Grade

4.1 The student will demonstrate an understanding of scientific and engineering practices by developing and using models.

4.3 The student will investigate and understand that organisms, including humans, interact with one another and with the nonliving components in the ecosystem.

4.9 The student will investigate and understand that Virginia has important natural resources.