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Interactive Lecture Demonstrations (ILDs)

Interactive Lecture Demonstrations (ILDs). Ronald K. Thornton David R. Sokoloff. The 8 step procedure. 1. Do the demonstration without graphs 2. Students record individual predictions 3. Small group discussions 4. Whole class discussion 5. Students record final prediction (collect)

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Interactive Lecture Demonstrations (ILDs)

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  1. Interactive Lecture Demonstrations (ILDs) Ronald K. Thornton David R. Sokoloff

  2. The 8 step procedure • 1. Do the demonstration without graphs • 2. Students record individual predictions • 3. Small group discussions • 4. Whole class discussion • 5. Students record final prediction (collect) • - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - • 6. Do the demonstration with graphs • 7. Discuss results with class • 8. Extend results to analogous situations

  3. The Original 5 ILDs • 1. Human Motion - students walk d-t, v-t graphs • 2. Motion with Carts - fan accelerates to/from • 3. Newton’s 1 & 2 - cart pulled by falling mass • 4. Newton’s 3rd - 2 force probes pull each other • 5. Energy of a Cart - PE/KE moving up ramp

  4. Additional ILD sheets • 6. Collisions - equal/unequal masses engage in elastic & inelastic collisions • 7. Harmonic motion - a mass hangs on a spring and oscillates up and down (KE, GPE, SPE)

  5. ILDs recently developed • 8. Sound - waveform of sounds • 9. Light - reflection & refraction • 10. Lenses - image formation • 11. Magnetism - electromagnetism • 12. Induction - in a coil • 13. Potential/Energy - compare GPE & EP • 14. Electric Fields - particles interacting

  6. ILD 2004 Manual • Wiley has recently published all of these 14 ILDs and more in one volume • Check the Wiley website for details

  7. Research Results • Thornton & Sokoloff reported research showing the benefits of ILDs for conceptual learning

  8. Research Results • Thornton & Sokoloff reported research showing the benefits of ILDs for conceptual learning • Wittmann did extensive research on the benefits of ILDs & RealTime Physics. For ILDs, benefits only appear when the instructors closely follow the 8-point procedure in both spirit and letter

  9. Research Results • Thornton & Sokoloff reported research showing the benefits of ILDs for conceptual learning • Wittmann did extensive research on the benefits of ILDs & RealTime Physics. For ILDs, benefits only appear when the instructors closely follow the 8-point procedure in both spirit and letter • http://perlnet.umephy.maine.edu/classes/rtpandild.htm

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