Re: Snack extension (fwd)

From: Paul Doherty (
Date: Wed Oct 01 2003 - 18:34:40 PDT

Hello again.

You have discovered the secret of the Snackbook.
Every Snack will inspire students to make changes.

We provide a working example which many other people have succeeded in
building, but then rejoice when experimenters create variations on our
basic design.

Disappearing Glass rods for example. They can try other types of glass rods
and oother fluids to see which ones vanish the best.

Paul D

>---------- Forwarded message ----------
>Date: Wed, 17 Sep 2003 16:49:44 EDT
>Subject: Snack extension
>This comment or question is for someone from the Exploratorium:
>My students must do a science project that contains all the elements of your
>basic experiment from design and hypothesis to experiment, data collection and
>display (graphs) to conclusions and results. The rubric that determines
>their grade does not include the complexity of the project. Having been
>a long
>time fan of the Exploratorium and having used the Snacks as
>presentation/demonstration projects in my physics classes, I suggested
>that the students use the
>Snacks as a springboard of ideas for their project. For instance, I
>suggested that they read about the colored shadows (a perennial favorite)
>and then
>vary something in the demo and report about the changes that brought about.
>Like, they might use a fluourescent light for a light source instead of an
>incandescent light source. There are also other light sources (lamps)
>that they
>might use. Could some of the brain trust at Exploratorium suggest other
>that might lend itself to an extension into a simple experiment????? My
>students (9th grade) are looking for ideas.
>Thank you.
>R. Clements

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