Why Lesson Planet?
Fifth graders examine what contaminated water looks like, and how it becomes polluted. They examine a teacher demonstration of water is not polluted but does contain rocks and other things that do need to be cleaned out before drinking it. Next they evaluate different ways to clean water such as screening, sedimentation, filtration, and chemical treatment while working in small groups.
What Members Say
- Kristina C., Special Education Teacher
- Covina, CA