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astro300_f14:day4 [2014/09/15 21:15] – a_leeastro300_f14:day4 [2014/09/16 00:04] (current) – a_lee
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 =====Administering Demos (15 min)===== =====Administering Demos (15 min)=====
 +
 +Printable Version Here: [[astro300_f14:DemosHandout]]
  
   * Demo basics:   * Demo basics:
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   * Some of our favorite demos:   * Some of our favorite demos:
     * Remind everyone that most are written up in the EBRB and on the Resources handout (and wiki page)     * Remind everyone that most are written up in the EBRB and on the Resources handout (and wiki page)
-    * Do **bolded** ones? 
-    * Keep going until a couple minutes before this chunk of class is supposed to be done 
     - Arc lamps: Put high voltage through tubes of gas and look through diffraction gratings to see spectral lines.  On the EBRB [[private:ebrb:light_blackbodies_spectral_lines_and_the_doppler_effect|Light Blackbodies Spectral Lines and the Doppler Effect]] page, "under Line spectroscopy and arc lamp activities".     - Arc lamps: Put high voltage through tubes of gas and look through diffraction gratings to see spectral lines.  On the EBRB [[private:ebrb:light_blackbodies_spectral_lines_and_the_doppler_effect|Light Blackbodies Spectral Lines and the Doppler Effect]] page, "under Line spectroscopy and arc lamp activities".
-        * C10 already did this, this year.. Check if useful to describe for 10...? +        * Head GSIs will train GSIs, Ask Ay375 instructors if you need help. 
-        * Head GSIs will train GSIs+
         * Students like this one         * Students like this one
         * Make sure the stuff is there if your section is early in the day.         * Make sure the stuff is there if your section is early in the day.
         * Test it yourself and make sure you can see lines so you can help your students better.         * Test it yourself and make sure you can see lines so you can help your students better.
-    - Warping of Spacetime: A 2D analogy using stretchy black fabric and balls/weights.  No worksheets exist in the EBRB for this one, but feel free to make one!  We might do this one in Ay 300 later in the semester.+    - Warping of Spacetime: A 2D analogy using stretchy black fabric and balls/weights.  No worksheets exist in the EBRB for this one, but feel free to make one! 
     - Celestial sphere, phases of the moon, seasons, orbits: Styrofoam balls, a lamp or flashlight, people getting up and moving around.  Many worksheets go with these kinds of demos and can be found on the Demos page of the EBRB or on the Celestial Sphere, Gravity and Orbits, and Earth/Moon/Sun System pages of the EBRB.     - Celestial sphere, phases of the moon, seasons, orbits: Styrofoam balls, a lamp or flashlight, people getting up and moving around.  Many worksheets go with these kinds of demos and can be found on the Demos page of the EBRB or on the Celestial Sphere, Gravity and Orbits, and Earth/Moon/Sun System pages of the EBRB.
          - Retrograde motion //(Discuss pitfalls)//          - Retrograde motion //(Discuss pitfalls)//
          - Day & night on Earth (circle up around a lamp and groups of 3)          - Day & night on Earth (circle up around a lamp and groups of 3)
          - Lunar phases (balls on a sticks around a lamp and groups of 3)          - Lunar phases (balls on a sticks around a lamp and groups of 3)
-         - **Seasons (circle up around a lamp)** +         - Seasons (circle up around a lamp) 
-         - **Lunar rotation and orbit (//i.e.// tidal locking) (one person orbits another with the Moon's arms outstretched)** +         - Lunar rotation and orbit (//i.e.// tidal locking) (one person orbits another with the Moon's arms outstretched) 
-    - **Parallax with your finger (very simple, “close one eye then the other” kind of thing)**+    - Parallax with your finger (very simple, “close one eye then the other” kind of thing)
     - Doppler shift of sound (whirling a buzzer on a string)     - Doppler shift of sound (whirling a buzzer on a string)
-    - Class H-R diagram (too long to do in Ay 300) +    - Class H-R diagram  
-    - Stating in words, stating in math, drawing, and acting out Kepler's and/or Newton's Laws (can be done with a worksheet, or just have students take notes as each group presents their law) (too long to do in Ay 300)+    - Stating in words, stating in math, drawing, and acting out Kepler's and/or Newton's Laws (can be done with a worksheet, or just have students take notes as each group presents their law)
     - Donut/bagel on a string (though I'm sure profs will do it in class)     - Donut/bagel on a string (though I'm sure profs will do it in class)
     - Jumping on a chair with balls being thrown (though I'm sure profs will do it in class)     - Jumping on a chair with balls being thrown (though I'm sure profs will do it in class)

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