51²è¹Ý

Grade Level: 6-8

Time Required: 45 minutes (20 minutes for the slideshow lesson and 25 minutes for the activity)

This activity starts with a lesson introducing water quality which explains electrical conductivity, a parameter used to quantify water quality. In the hands-on activity, students form hypotheses about the quality of provided water samples and use conductivity meters to investigate their quality.

A slideshow explaining water quality using natural landmarks in Colombia is provided accompanied by notes explaining each slide. A student handout is included with an answer key. At the bottom, you will find a link to the conductivity meters we used when developing this activity.