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Description of the Planetary Atmospheres Demo and its Uses
page 5

WHO LEADS THE PRESENTATION?
At science centers and museums, the presentations are usually lead by docents, volunteers and interns -- whether they be high school teens or adults.  Staff too find this to be a great way to closely connect with the public.

Teachers and aids can present it to their class themselves, or have a guest presenter come in.

Presenters should be comfortable in doing what will be encouraged:  The stress is on involving the participants, energizing them.  Saying what is needed to get people started, then standing back while they are exploring and working together.  Join back in when they are ready for the next step.  Resist giving a mini lecture.  The goal is not to show off how much you know, but for them to feel the thrill of learning and discovering in a social environment.  A teacher or scientist may follow with a lecture, yes ... but this demo is a special experience. Listen to comments, questions. Interact. Read people's expressions and respond to their interests. Have fun yourself.
  
Enjoying being a bit theatrical and dramatic helps. Love of science, public education ... and love of our planet ... helps most.

For presenters, it is not necessary to have a strong background in physics, chemistry, atmospheric, space, or earth sciences.  People WILL be learning ALL of these sciences during the demo, with your guidance.  But the physical demo itself provides the tools for unfolding the experience.  (And there are "crib notes" hidden on the backside, if you forget key numbers.)  TheStory Line will guide you from one step to the next.