Marble Runs

IMG_2793.JPGAs part of our unit-of-study on force and motion, second grade students spent the past several days working as partners to create, build, and perfect marble runs.  I heard lots of, “Nice try,” “Let’s try that again,” and many of the other things real scientist say when they work with a team on a tricky project.  Click here to see quick clips of second grade scientist demonstrating their hard work.


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