(Mass Appeal) – April 22 is Earth Day, and we thought it would be fun to experiment with erosion using three basic materials: plastic bottles, soil, and water. Dr. Yadilette Rivera-Colón, Board Chair ...
SIOUX CITY (KTIV) - Gather your supplies! This episode is about erosion and weathering. We will use sand and rocks to simulate what happens after a river flood. Water is powerful, it can grind down ...
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