![]() ![]() Laptops are a must, unless you have tons of craft materials that work well for spanning the long distances between desktop computers. Since each computer receives physical input from the left, and provides physical output to the right, it’s helpful if you can place them relatively close together to form a line or a circle. At a minimum, you’ll probably need at least several hours to introduce the basic concepts of Scratch, and another hour or so of WeDo introduction before diving into this activity.ġ Laptop / LEGO WeDo for every 2 participants This workshop is challenging, so if your participants don’t yet know how to Scratch, you’ll need to bring them up to speed. ![]() That triggers the next WeDo / Scratch project on the next laptop, on and on for as many links as you have in the chain. At the end of that virtual chain reaction, the WeDo motor is activated, which continues the chain reaction in the physical world. Here’s how it works: Something from the physical world triggers a sensor on the WeDo, which kicks off a chain reaction within the virtual world of the Scratch project. Here’s a video that shows the basic concept: ![]() It turns out to be an interesting theme for a Scratch / WeDo workshop! We wanted to try using WeDo and Scratch to make a chain-reaction that crosses the boundary between the physical and virtual worlds. Making Rube Goldberg machines - contraptions in the physical world that perform simple tasks in complex ways - is really fun. Curricular Areas: Computer Science, Engineering, Technology. ![]() Content Types: Audio and Video, Activity.Education Level: Middle School, High School, College and University, Professional Development.Original Author: Amos Blanton, Eric Rosenbaum. ![]()
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