Water Efficiency (Old)

Students use their understanding of proportional relationships to explore whether baths or showers use more water. This lesson contains optional activities that, if included, extend the lesson past 45 minutes. NOTE: This lesson is outdated and will be retired. The new and improved Water Efficiency can be found in the curriculum.

By Shira Helft

Learning goals: Learning Goals • Model a real-world situation by determining the important quantities and making simplifying assumptions. • Use proportional relationships to analyze a problem about water usage. Materials • Tools for creating a visual display • 1-gallon bucket or jug (optional)