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Bruce Mason, University of Oklahoma Wolfgang Christian Davidson College

Open Source Physics Content Delivery: Computation, Curriculum, and Libraries NSDL, November 18, 2009. Celestial sphere model. Bruce Mason, University of Oklahoma Wolfgang Christian Davidson College Francisco Esquembre, University of Murcia, Spain Mario Belloni, Davidson College.

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Bruce Mason, University of Oklahoma Wolfgang Christian Davidson College

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  1. Open Source Physics Content Delivery: Computation, Curriculum, and LibrariesNSDL, November 18, 2009 Celestial sphere model. Bruce Mason, University of Oklahoma Wolfgang Christian Davidson College Francisco Esquembre, University of Murcia, Spain Mario Belloni, Davidson College OSP is supported by NSF grant s DUE-0442581 and 0937836. ComPADRE is supported by NSF grants DUE- 0226129, 0532798 Opinions expressed here are not those of the NSF.

  2. Contemporary Physics Education “A curriculum in which computation is absent or plays a minor role is inauthentic to the contemporary discipline. This absence is one of the most striking examples of our failure to update the curriculum.” B. Sherwood “Tripartite” Learning Platform Solution: • Open Source Physics (OSP) Java code library and tools. • Easy Java Simulations (EJS) simplified java modeling tool • ComPADRE NSDL pathway for Physics & Astronomy

  3. Pedagogic Advantages of Modeling • Students are actively involved in the PHYSICS. • Modeling is exploratory, like labs. • Modeling engages students predicting phenomena. • Computer modeling allows exploration of complex problems, visualization, and communication. • Modern science involved experiment, theory, and modeling.

  4. Modeling Examples • The Falling Slinky model.What happens to the bottom when it begins its fall? • The bottom end will move up initially. • The bottom end will move down initially. • The bottom end will remain at the same point for a short time before it begins to move. • The Falling Cup and Ball model. • The Colliding Galaxy model.

  5. Ideal Solution The ideal solution would be to get a simulation that: Is ready to run (for a first impression) Is modular Does not require non-standard, heavy-weight software Can be inspected in an accessible way Can be downloaded and used locally Can be modified (and re-run) Can be localized (translated to your language) Has been peer-reviewed (quality control) Has been used by other teachers Is absolutely free Is intellectually traceable (Add your own requirement…)

  6. The philosophy of Easy Java Simulations • Good educational software needs to be adoptable and adaptable. Edward Redish in the Foreword to “Physlets” Francisco Esquembre, University of Murcia http://www.um.es/fem/EjsWiki/ Power to the People!

  7. Results • Teachers NOT Java programmers • Todd Timberlake (Davidson College, NC) • Phases of the moon • Phases of Venus • Anne J Cox (Eckerd College, FL) • Generator • Falling loop • Adoptable, Adaptable, and UNDERSTANDABLE • Download, Right Click, Go!

  8. Connections through the Library • “We got out of the business of web hosting and let the experts do it” • Standard and Custom • Library and Web • Services • Connections to Usersand NSDL • 350 Resources hostedby ComPADRE • 1700 users per week

  9. Library Information

  10. Personalization • Content … • Find • Collect • Sort • Relate • Annotate • Share

  11. Online Textbook Supplements

  12. EJS Digital Library Client Direct access to Library Content Download catalog of models: > 160 EJS models ~31,000 downloads per month Small download of information to run EJS models Access available to other EJS Libraries

  13. ComPADRE Catalog Web Service

  14. With Special Thanks to… • OSP Developers: Doug Brown, Mario Belloni, Anne Cox, Harvey Gould, Jan Tobochnik, Fu Kwan Hwang • Tech: Lyle Barbato, Caroline Hall, Matt Riggsbee • Evaluation: Jenny Rempel, Cecilia Brown, Flora McMartin • Co-PI’s: Susana Deustua, Bo Hammer, Jack Hehn, Warren Hein, Ted Hodapp, Gary White

  15. The comPADREOSP Collection www.compadre.org/osp www.um.es/fem/Ejs/

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