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River Catcher
Source Institutions
In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-388.jpg?itok=unfoQNRe)
Trash Talkin'
In this activity, learners collect, categorize, weigh and analyze classroom trash and discuss ways that engineers have helped to reduce solid waste.