### Earth's Spheres and Clean Water Intro --- #### Review: Earth's Spheres <img src="/assets/slides/spheres.jpg" alt="Earth's 4 Spheres." style="margin: 0 auto; display: block; height: 70vh;"> --- #### What is "Clean Water" and where does it come from? --- #### Fluvial System <img src="/assets/slides/river-systems.webp" alt="River systems." style="margin: 0 auto; display: block; height: 60vh;"> <small style="font-size: 1rem;"><cite>Source: Trista L. Thornberry-Ehrlich, Colorado State University.</cite></small> --- #### Packet/Chromebook Activity: Draw a Map <img src="/assets/slides/river-systems.webp" alt="River systems." style="margin: 0 auto; display: block; height: 35vh;"> - <small>Go to Google Earth, Maps, or Images and draw a simple map of a river with the 3 zones labelled. (Example rivers: Nile, Amazon, Yangtze, Congo, Danube, Mississippi, etc.)</small> - <small>For the region you chose, what sorts of geologic processes and formations are present at each zone?</small> --- #### The Colorado River (Our Home) <iframe width="720" height="405" src="https://www.youtube.com/embed/yNzc-hbX124?si=2I_L7MB_GECQJuW1" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" style="margin: 0 auto; display: block;" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> --- #### Clean Water Lab (Canvas) <small style="font-size: 1rem;"><em>This lab and content are courtesy of <u>Engineering Tomorrow</u>.</em></small> - Today, we will prep for the lab in a "Digital Workbook" (Google Slides). - Next class, we will do the lab, designing a few filtration devices. [Link to introduction slides](https://docs.google.com/presentation/d/1pOqo61iBv7_TyFSsONrhpNyBWws-Wl5wb3ChodTIGv0/edit#slide=id.g13c85af854c_0_29)