By: Doug De La Matter, Retired, Madawaska Valley D.H.S., Barry's Bay, ON
The Swimming Pool Chemistry Laboratory Kit is terrific for showing the importance of chemical reactions in daily life! Students perform microscale titrations, repeating the tests to analyze chlorine levels when urea is added to pool water.
Anyone who has spent any time at the local pool has one “burning” question—“Just how much chlorine was added to this pool?” Swimming pool chemistry involves a rich variety of chemical concepts and practical applications. In this two-part experiment, students first perform microscale titrations to determine the free chlorine concentration in simulated swimming pool water. They then repeat the tests to analyze the change in chlorine levels when urea is added to the pool water. A terrific kit for showing the importance of chemical reactions in daily life! Includes reproducible student handouts, detailed background information, Teacher Notes with sample data and answers to questions, and all necessary chemicals and consumable supplies.
Complete for 30 students working in pairs.
Correlation to Next Generation Science Standards (NGSS)
Science & Engineering Practices
Planning and carrying out investigations Analyzing and interpreting data Using mathematics and computational thinking
Disciplinary Core Ideas
MS-PS1.B: Chemical Reactions HS-PS1.B: Chemical Reactions
Crosscutting Concepts
Scale, proportion, and quantity Stability and change
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