![Nasa: Building a Winogradsky Column [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Nasa: Building a Winogradsky Column [Pdf] Activity")
NASA
Nasa: Building a Winogradsky Column [Pdf]
NASA teacher's guide to building a Winogradsky Column to study microorganisms. When this guide was first released, students were invited to participate in two webcasts with NASA scientists. The conversations from those webcasts are...