Substances dissolved in water can be present in very tiny amounts that are not visible to the eye. in this lesson plan students make a solution of food coloring with a concentration of one part per million.

Concepts

dissolving, properties of water, solutions, water

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Additional Tags

chemicals in drinking sources, one part per million solution, water concentration, water testing and monitoring, what is one part per million solution?

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)