IYC Experiment 4 - Water: No Dirt, No Germs

There is still a water crisis in the world. How can we help be a part of the solution?

This activity will raise awareness of the critical use of chemistry to provide one of the most basic human needs; clean drinking water.

Starting with local natural surface waters, students will replicate one or both of the main steps of drinking water treatment--clarification and disinfection.

Younger students will clarify natural surface water and observe disinfection done by their teacher. Older students will both clarify and disinfect natural water.

Resource:  International Year of Chemisty