Materials List:
From Lake to Tap
https://www.teachengineering.org/activities/view/cub_enveng_lesson06_activity2
For each student:
- Computer with Internet access to https://www3.epa.gov/safewater/kids/index.html
- One copy of the Water Treatment Path Worksheet per student.
https://www.teachengineering.org/activities/view/cub_enveng_lesson06_activity2