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Teaching with Open Source Physics Curricular Material
28 Oct 28, 2015Department of PhysicsNational University of SingaporeSingapore
Wolfgang Christian Davidson College, USA
Partial funding for OSP was obtained through NSF grants DUE-0442581and DUE-0937836 and Davidson College. Opinions expressed here are not those of the NSF or Davidson College.
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Teaching with TechnologyCurrent technologies allow physics educators the ability to integrate instruction with computer-based modeling. This talk describes technologies that encourage interactive-engagement and limit the amount of programming when designing, implementing, distributing, and using computer models. It is based on:
§ Tracker video analysis and modeling tool analyzes video clips. Students can both analyze the motion of objects and overlay simple dynamical models on the video and see how well the model matches the real-world.
§ Easy Java/JavaScript Simulations (EjsS) creates interactive simulations in Java or JavaScript simulations without the necessity of prior programming knowledge.
§ OSP ComPADRE Digital Library archives and distributes curriculum resources, such as Physlets and EjsS simulations, that engage students in physics, computation, and computer modeling.
2National University of Singapore, Singapore
2015
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Need for Digital LibrariesA Google search for “pendulum” returns 27,100,000 pages; while “pendulum simulation” returns 11,900 pages (The search for pendulum simulation without the quotes returns 449,000 pages).
n Most of the simulations (or animations that “fake” the physics) are inappropriate for teaching.
n There is usually no instructional material, no support materials for teachers, and no information about how these materials are correlated to state or national science standards.
n Most of these simulations also support a passive (viewing) pedagogy versus an active (interacting) pedagogy.
In order to be effective for instruction, simulations need to be easy to find, simple, adoptable, adaptable, and coupled with support content for students and teachers.
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ComPADREWe are out of the business of web hosting and let
the experts do it.
4
Standard and Custom Library and Web Services
Connections to Usersand NSDL
600+ Java Sims150+ JavaScript Sims1200+ Physlet Pages
10,000+ visitors/month
5,000+ simulation downloads/month
National University of Singapore, Singapore 2015
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5
Personalization
Content …• Find• Collect• Sort• Relate• Annotate• Share
National University of Singapore, Singapore 2015
Lets do a search!
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www.compadre.org/Physlets
www.compadre.org/PQP
Materials are currently available (Physlet Physics 2E and PhysletQuantum Physics 2E) on ComPADRE. 1ed in 2003
Java Code: New signed jar. Updatedand tested 1,300 pages.New Narrative: Follows original formatbut many exercises and sectionsrewritten (especially PQP 2E). 1ed in 2013
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Role of Simulations in Teaching
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image from Bob Beichner
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Easy Java/JavaScript Simulations
Load, modify, and save a model. [Colliding Galaxies]
8National University of Singapore, Singapore
2015
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Computer Models
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n Models allows students to think about things in terms of simpler artificial things.
n Curriculum o Exploratory models engage the student in ideas
presented by an expert (teacher). Students are led to confront another's view of a problem.
o Model-based and programming activities are expressive exercises that require students to externalize their own ideas and assumptions and to create concrete representations that they can reflect on.
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Undergraduate Computational Physics
10National University of Singapore, Singapore
2015
§ Differential equations and ODE numerical algorithms: oscillators,Newtonian orbits, and few-body problems.
§ PDEs and boundary value problems: Laplace and Poisson equations.
§ Stochastic models and Monte Carlo algorithms: Random walks and the Ising model.
§ Chaos theory: Logistic map and driven pendulum.
§ Final project of the student’s choice.
Teaching should reflect current research and professional practice. Every undergraduate physics major should know about computational physics, including essential algorithms, minimal level of programming experience, and computational ways of thinking.
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AAPT/ComPDRE Filing CabinetsAuthoring by Building Mash-ups in the Digital Library
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AAPT/ComPADRE Books
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Going from this
To this
To this
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Available on ComPADRE Now!
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Authoring Epub 3 with EjsS
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And this
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Distributing Content with theEjsS Reader
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Available Android, iOS, and Online with Google Chrome,
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What we have learned about:Getting Simulations Rightn Work on curriculum development from the start as
you work on programming. It will carry the message in the end.
n Focus on an important concept or application. Too many options distract.
n The devil is in the detail. A small practical problem can ruin a grand plan.
n It is HARD to do new things in front of students. (e.g. JiTT, Peer Instruction, ILD, Flipped Classroom, Etc.)
n Real curriculum change, which means changing people, takes time. My first book, CUPS: Waves and Optics, was published in 1994.
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The OSP-EjsS-ComPADRE platform removes many of the complicated tasks involved in integrating simulation and modeling into the classroom allowing teachers and students to focus on the science.
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Open Source and CC – Facilitating Collaboration
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Physlets and the OSP Collection are recognized by over 50% and 22%,respectively, of United States physics faculty as a research-based instructionalstrategy they are familiar with or have used (Henderson & Dancy).
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OSP Collection Team & Collaboratorsn OSP Managing Editor:
q Wolfgang Christian - Davidson Collegen OSP and EJS Curriculum Authors:
q Mario Belloni - Davidson Collegeq Anne Cox - Eckerd Collegeq Todd Timberlake – Berry Collegeq Harvey Gould - Clark Universityq Jan Tobochnik - Kalamazoo Collegeq Loo Kang Wee – MOE Singapore
n Tracker and OSP Tools Developer: q Doug Brown - Cabrillo College
n Easy Java Simulations Developers: q Francisco Esquembre - Universidad de Murciaq Felix García Clemente - Universidad de Murciaq Luis de la Torre - Universidad Nacional de Educación a Distancia
n ComPADRE : q Bruce Mason – University of Oklahomaq Lyle Barbato- AAPTq Matt Riggsbee- AAPTq Caroline Hall- AAPT
19National University of Singapore, Singapore
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Open Source Physics
www.compadre.org/osp
20National University of Singapore, Singapore
2015
During the past year, the OSP Collection had over 500,000 page views and 100,000visitors. More importantly, there were ~50,000 items downloaded from the Collectionand many additional downloads from within EjsS into authoring workspaces. Duringthe past year, Physlets had 15,000 sessions with an average of 6 pages viewed.