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• W221609966 abstract "KELLIE DOUBEK DOESN'T mince words: Full-size computers belong in the field. You can get a handhold to do the same thing for a fraction of the cost, says Doubek, an educational consultant who advises Midwestern schools on implementing technology. Out west, at Seaside High School, right outside Monterey, CA, students in grades 9-12 are proving Doubek right. Seaside students are using handheld devices and wireless probes to measure temperature, stream flow, pH, and other factors at Seaside State Beach, as well as in Yosemite National Park. study was made possible through a grant from the National Oceanic and Atmospheric Administration (www.noaa.gov). Palm-based devices (www.palm.com) with wireless probes are tremendous student motivators, according to teacher Pam Miller, who also serves as science department chair at Seaside. We're able to get much more meaningful data, and we're better able to share access to the data. sophistication of the data-gathering devices makes a real difference, she says. Kids like to feel like they're doing real science, and this is real science. Using handheld devices such as standard Palm or Windows-based PDAs is attractive to schools for several reasons--particularly, as Doubek pointed out, cost. make very attractive grant proposals because they're a low-cost way to get a lot of technology into a lot of students' hands, says Karen Fasimpaur, president of K12 Handhelds (www.k12handhelds.com), a California-based company that consults with school districts nationally on effective uses of mobile technologies. Unfortunately, Doubek says, handholds often aren't used effectively because educators don't realize what a great tool they are. Probing Around Outside the classroom, there are two basic ways that handhelds are commonally used--either as GPS units or with probes. Probes are mechanical devices that attach to handholds for measuring air temperature, chemical composition, water flow, force, and much more. a popular accessory for handhelds, according to Mike Curtis, a Michigan-based educational consultant who focuses on mobile devices. Hundreds of types of probes are available, Curtis says, for measuring everything from ammonia to moisture content, salinity, and light.... Maybe not radiation, but just about anything else. Handhelds with connected probes are excellent for the field because so much of the computing can take place on the spot while students are actively gathering the data--compared to the traditional scenario of collecting data, then connecting to a computer back in the classroom to analyze it. Probes come with software that analyzes and displays the data as it's gathered, right on the handheld screen. They're great for that, says Fasimpaur. Particularly if you contrast them to traditional data sensors, the handhelds have so much computing capability. They stimulate conversation among students, Doubek says. The ability to beam and share really gets kids excited, because they're sharing and talking about the data they're collecting. Making the Right Purchase Basic handhelds can be fairly inexpensive, with some monochrome-screen models selling for less than $50. A higher-end handheld that includes Bluetooth wireless connectivity might cost upwards of $200. Prices for probes vary hugely depending on what they do; each probe has a specific purpose. A simple probe for measuring temperature or pH might cost $15; a more complex device for measuring, say, dissolved oxygen might cost several hundred dollars. Even when each student has a handheld, all but the most basic probes can be--and typically are--shared. Companies that offer probes specifically for the education market include Pasco Scientific (www. …" @default.
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• W221609966 title "Takin' It to the Creeks: Handheld Technology Is Making for a Whole New Kind of Science Lesson" @default.
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