Saldana’s students were cautious about revealing too much – they don’t want to tip off their competitors.
The task is to use everyday items, and who doesn’t have wood or cardboard stored up?” Sierra said. “A lot of our stuff has a lot of wood and cardboard. Their device is a dizzying mix of materials, including scrap wood and cardboard. “I was surprised at how it all came together.” “It was cool seeing what we could produce,” Sierra said. Fifth-graders Sierra Villagran and Katelyn Haro inscribed a warning to visitors in an ancient language. On a recent day, students filled in details and added paint and labels. I put it in front of them and just told them to create.” “It’s just matter of them letting their minds take off,” Saldana said. They meshed the machines together as stages in their device and chose a message. Saldana urged his students to create individual projects early in the campaign before they even knew this year’s task. When the devices are finished, the students will videotape them in operation and explain each participant’s role for a panel of judges. Students study designs at home in the evenings and on weekends they construct their simple machines after school and during lunch then, they link them together.
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This year, students must create 10-foot-by-10-foot devices that use a series of simple machines (levers, wheels, wedges, screws, inclined planes and pullies) to launch a message. Similar scenes are playing out at 11 more elementary schools across Baldwin Park Unified, where 10-student teams competing in the second annual 21st Century Challenge are busily constructing Rube Goldberg devices – named for a cartoonist and engineer famous for humorous drawings of overly complex machines that perform simple tasks.īaldwin Park Unified scrapped its spelling bee in favor of the contest to develop science, technology, engineering, art and math (STEAM) skills.
BALDWIN PARK – Students in Fernando Saldana’s Elwin Elementary classroom pencil letters in an ancient language, illuminating a concept behind a complex contraption that involves a confusing array of pullies, ramps and levers.Īcross town at Walnut Elementary, Sal Duran’s students paint a throne and brainstorm ways to launch a message at the conclusion of their daunting device’s operation.
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