For physical science, nothing is more fun than marble runs! In kindergarten, I have premade plastic marble run tracks that students can put together to build their own design. This can provide hours of purposeful play. Students are engaged in the inquiry process and are able to apply what they've learned about force and motion to a real situation. It also helps the younger students with eye-hand coordination and hand dexterity. In first grade, their theme during this particular unit is based on the "If You Give a _______, a _________". We write our own story about one of our lab critters, "If You Give a Reptile a Rollercoaster." And we build an amazing marble run/roller coaster. I premake tracks and turns out of cardstock and they design their own rollercoaster in teams. For 2nd grade, their theme is based around Mercy Watson books and we write our own Mercy story about her wanting to go to an amusement park. We then create, design, and build our own rollercoasters out of cardstock. If you are in need of a great marble run template set, check out http://www.paperrollercoasters.com/products.htm. There are multiple you tube how-to videos for these templates.
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