Forty classroom-ready science teaching and learning activities for elementary and middle school teachersGrounded in theory and best-practices research, this practical text provides elementary and middle school teachers with 40 place-based activities that will help them to make science learning relevant to their students. This text provides teachers with both a rationale and a set of strategies and activities for teaching science in a local context to help students engage with science learning and come to understand the importance of science in their everyday lives.
Activity 29: Science in Swimming Pools
In the summer when the weather is hot, almost everyone likes to go swimming. For many people, this means a trip to the neighborhood swimming pool. Swimming pools provide an interesting setting to study science, especially chemistry. Without careful monitoring of the chemistry of a swimming pool, the water can quickly become full of bacteria, algae, and other potentially harmful organisms. Swimmers accidently drink enough pool water every time they swim to become sick from these organisms. On the other hand, if too many chemicals are added, the water can burn swimmers’ eyes and irritate their skin.
Learning how to monitor pool chemistry is an important part of the job of pool lifeguards and pool managers. Chlorine is ...