Drinking Water Mystery: A Simple Test
Grade level: 4-12Click here to download a printable version of this Lesson Plan.
Subject areas: Environmental science, math, chemistry
Using prepared sample solutions and test strips, students will measure the sampleís pH, alkalinity and chlorine to determine which one is safe enough to drink.
Students will discover that through a series of simple tests, they can determine which water sample is safe to drink. They will discover that the Philadelphia Water Department also runs a series of scientific tests on a regular basis to ensure good quality drinking water.