Students explore the densities and viscosities of fluids as they create a colorful 'rainbow' using household liquids. While letting the fluids in the rainbow settle, students conduct 'The Great Viscosity Race,' another short experiment that illustrates the difference between viscosity and density. Later, students record the density rainbow with sketches and/or photography.

Concepts

density, engineering, viscosity, stem

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Additional Tags

flow visualization, shear force, integrated teaching and learning program and laboratory, teachengineering, fluid, liquid

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)