ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Kathy,
We recently did this for an event at our local baseball stadium.
We created a simple slide-together walkway structure 7ft long and 2.5ft wide
from 8inch tall sheets of plywood to create an open frame. Notches at the
ends allowed them to fit together kind of like Lincoln logs. The idea was to
create something that could be transported disassembled in our outreach van.
A sheet of thick plastic went inside and was held down with a few sheets of
masonite to provide a nice smooth "bottom" in case a foot went all the way
down. It was filled with around 250 pounds of cornstarch - water added to
get the right mixture. That created about a three to four inch thick layer.
The ground below us was not flat so we ended up with more oobleck on one end
than the other - try to avoid that.
We had five team on hand to help mix everything up with their hands. After a
while the mixture seems to settle out and was in need of more mixing and the
participants at the event were more than happy to dig in and help us mix
things up. We added about a gallon of tempura paint to get a greenish color.
Don't use food coloring - it stains.
We were concerned about how to clean up and get the oobleck out of the
trough. It's actually pretty easy to scoop your hands in and pull out
semi-solid hunks which we dropped in several 5 gallon buckets and hauled
back to the science center. Clean up was faster than the setup.
Carl
On Wed, Jul 13, 2011 at 12:27 PM, Fournier, Kathy <[log in to unmask]>wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
>
> *****************************************************************************
>
> Hey everyone:
> We are planning on doing a large scale trough of oobleck for an outdoor
> event. Right now we are thing about a trough 2ft in width and 6 ft in
> length. Has anyone done this before? I have seen it on YouTube but that's
> all. Any idea on how deep the amount of oobleck should be for the best
> performance. We want visitors to be able to run across it and not sink in or
> go slow and sink in.
>
> Any suggestions? Success stories? Things not to do?
>
> Thanks, Kathy
>
> Kathy Fournier
> Associate Vice President of Education
> McWane Science Center
> 200 19th Street North
> Birmingham, AL 35203
> 205-714-8254
> [log in to unmask]
>
>
>
>
>
>
>
> -----Original Message-----
> From: Informal Science Education Network [mailto:
> [log in to unmask]] On Behalf Of Ralph Katz
> Sent: Tuesday, July 12, 2011 9:06 PM
> To: [log in to unmask]
> Subject: Re: Amateur Radio on International Space Station
>
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
>
> *****************************************************************************
>
> Anita,
>
> I was not involved but was a spectator at an ARISS (Amateur Radio on the
> International Space Station) ham radio contact at the Ann Arbor Hands On
> Museum on December 27, 2008. These events last 11 minutes, and
> typically take 3 years to set up. They require experienced radio
> operators with a sophisticated skill set and specific equipment that
> most hams will not have (such as, automated satellite-tracking
> antennas.) The people who did it here came up from Ohio and were just
> great.
>
> Regards,
>
> Ralph
>
> On 7/12/2011 12:13 PM, Sohus, Anita M (1850) wrote:
> > ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> > Incorporated, a worldwide network of science museums and related
> institutions.
> >
> *****************************************************************************
> >
> > NASA cooperates with the Amateur Radio Relay League forAmateur Radio on
> > the International Space Station:
> > http://www.arrl.org/amateur-radio-on-the-international-space-station
> >
> > Anita Sohus
> > NASA/Jet Propulsion Laboratory
> > Pasadena, CA
> >
> > On 7/11/11 9:01 PM, "ISEN-ASTC-L automatic digest system"
> > <[log in to unmask]> wrote:
> >
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--
*Carl Nelson*
Chief Scientist & Exhibits Director
Imagination Station
imaginationstationtoledo.org<http://www.imaginationstationtoledo.org/content/imagine-it/>
419-244-2674 ext 126
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