Students investigate chemical reactions involved in making a blueprint. For this blueprint paper lesson plan, students expose blueprint paper with writing that has been soaked in a solution of potassium ferricyanide and iron (III) ammonium citrate to the sunlight. They rinse the excess chemicals and allow their blueprint to dry. Students answer 6 questions about the chemical reactions and the process of making a blueprint.
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- Carmelita J., Special Education Teacher
- Jamesville, VA