Water Warriors Field Trip - Kick off the project with a field trip to the Charles River to collect water samples and observe environmental challenges firsthand, setting the stage for project work (60 min)

Introduction to Water Quality - Discuss essential questions and introduce key concepts of acids, bases, and solutions in relation to water purification (20 min)

Acid-Base Chemistry Exploration - Conduct hands-on experiments to mix acids and bases with water samples, observing pH changes and understanding acid-base principles (40 min)

Stoichiometry Basics - Learn stoichiometry principles and apply them to calculate reactant amounts needed for chemical reactions in water purification (30 min)

Collaborative Lab Activity - Work in groups to use stoichiometry for designing chemical reactions aimed at contaminant removal (30 min)

Precipitation Reactions Workshop - Design and execute precipitation reactions using different chemical solutions to remove specific contaminants from water samples (40 min)

Reflection and Discussion - Reflect on the week's activities and discuss how these chemical processes can be applied to improve water quality (20 min)

Community Partner Collaboration - Meet with Charles River Watershed Association representatives to discuss local water quality issues and gain insights for analysis (20 min)

Contaminant Analysis - Begin analyzing collected water samples for common contaminants, using microscopes and chemical testing kits (40 min)

Data Collection and Recording - Document findings from contaminant analysis, noting concentrations and types present in the water samples (30 min)

Acid-Base Reaction Testing - Conduct experiments to test the effectiveness of various chemical solutions in altering water pH and removing contaminants (30 min)

Stoichiometry Application - Use stoichiometry calculations to determine precise reactant amounts for targeted chemical reactions in water purification (30 min)

Prototype Development - Design initial prototypes of chemical treatment solutions based on stoichiometry and acid-base reaction results (30 min)

Precipitation Reaction Refinement - Modify and optimize precipitation reactions using feedback and experimental results to enhance contaminant removal (40 min)

Mid-Project Reflection - Create visual presentations or infographics of chemical processes and impact on water quality, followed by peer feedback sessions (20 min)

Filtration Techniques Exploration - Construct and test different filtration systems, evaluating their effectiveness in removing physical and chemical impurities from water samples (40 min)

Group Reflection - Discuss the outcomes of filtration tests and brainstorm improvements for water treatment solutions (20 min)

Data Analysis and Interpretation - Analyze data from filtration experiments, identifying patterns and drawing conclusions about the best filtration techniques (30 min)

Solution Chemistry Application - Apply solution chemistry principles to propose improvements based on data analysis, refining the water treatment process (30 min)

Feedback Session with Charles River Watershed Association - Present experimental findings and receive expert feedback to refine water treatment solutions (30 min)

Prototyping and Iteration - Implement feedback and make modifications to water treatment prototypes, preparing for final testing (30 min)

Final Testing of Water Treatment Solutions - Conduct comprehensive tests on refined prototypes to evaluate their effectiveness in contaminant removal (40 min)

Reflection and Peer Review - Share test results with peers, providing and receiving constructive feedback to solidify understanding and prepare for final presentations (20 min)

Presentation Preparation - Finalize slide deck presentations, scientific posters, and infographics to communicate research findings and water purification solutions effectively (30 min)

Peer Review Session - Share and critique prepared presentations and materials with classmates, offering constructive feedback for improvement (30 min)

Exhibition Setup - Organize and arrange all materials and interactive exhibits for the 'Chemistry in Action' open house, ensuring clarity and engagement for visitors (30 min)

Practice Presentations - Rehearse presenting findings to peers and teachers, focusing on clear communication and confidence in explaining chemical concepts and solutions (30 min)

Chemistry in Action Open House - Lead interactive demonstrations showcasing experiments and findings to family, friends, and community members, highlighting the application of chemistry to real-world challenges (60 min)

Reflection Panel with Community Partners - Present findings to community partners, receive feedback, and reflect on the impact of the project on local water quality efforts (30 min)

Project Reflection and Celebration - Discuss the learning journey, celebrate successes, and reflect on personal growth and contributions to environmental solutions (30 min)