If you’re fortunate enough to live near a beach or sandy banks or dunes, this sand-castle construction lesson from the Great Sand Dunes National Park and Preserve will both instruct and entertain, helping your students understand the cohesive force of water tension and the adhesive force of capillary action.

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Filed under: Grades 6-8, Grades 6-8, Grades K-5, Grades K-5, K-12 Outreach Programs, Lesson Plans | 1 Comment »

Tags: capillary action, Chemical Engineering, erosion, Grades 3-8, Great Sand Dunes National Park, Lesson Plan, sand and water, Water