Students are willing and ready to figure out how a wastewater treatment facility treats or cleans the water. We have a ton of tools which we can use to clean the water (all student ideas, by the way!).
And here's some evidence for what our first test accomplished! We got out a lot of stuff (we're not really sure what we did and didn't remove), but we're hoping that our second tool can remove a lot more of what's in the water!
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We're even making a "landfill" for everything that we removed with our tools, just like the wastewater treatment facility does!