In stage one of the investigation the class was given a list of materials, their costs and their maximum budget to build a system to filter "muddy" water with the goal of collecting water as pure as possible.
Stage 2: Evan going over some ideas for
improving the filter design of another group.
Stage two of the investigation was previewing, discussing, and giving feedback on the designs in small groups.
Stage three was actually collecting the materials and attempting to implement the design.
For the climax of the activity we poured "muddy water" through each of the student's filters.
The final takeaway from the lesson is a reflection sheet (what worked, what didn't and what would I do differently next time) that the kids are completing for this checkout.
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