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Walter, thanks for the info. I'll check it out. I discovered yesterday
that our small community in the foothills of the Sierra mountains is
putting together a 5-6 series on GW for our community TV station. I plan
to help out. I must be really getting tuned into this. Every day there's
something about GW in the news. In fact, that was the first story on the
news this morning.
Elizabeth Kolbert's book is another very good one on this.
Walter Staveloz wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> Wayne,
>
> I agree with you about Tim Flannery’s book—it’s great. You’re also right
> about the many simple science experiments and demonstrations to illustrate
> climate change. I urge you to visit the IGLO (International Action on
> GLObal Warming) web site: www.astc.org/iglo to have a look at our extensive
> Toolkit containing the demonstration you describe and many more such
> activities and demonstrations that can be done in science centers and
> classrooms to educate citizens of all ages about the effects of global
> warming. As ASTC’s first international initiative, IGLO involves science
> centers and museums all over the world in producing activities and
> demonstrations like these and providing content to enrich the Toolkit. On
> the web site, you’ll also find current news about IGLO and climate change
> and descriptions of what’s going on at other science centers.
>
> Walter Staveloz
>
> -----Original Message-----
> From: Informal Science Education Network
> [mailto:[log in to unmask]] On Behalf Of Wayne Watson
> Sent: Thursday, April 05, 2007 8:51 PM
> To: [log in to unmask]
> Subject: Global Weather Science--Exhibits and Demos
>
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ****************************************************************************
> *
>
> I've almost completed Tim Flannery's terrific book The Weather Makers on
> the subject of global warming. As I read it, I kept thinking there are
> some really simple and basic science ideas here. Maybe there's a
> possibility of creating some simple demos and exhibits at our small museum.
>
> A really simple one that might make a good demo is to demonstrate how
> Arctic ice is less dangerous to increasing ocean levels than Antarctic
> ice when it melts. Here's the demo. Two clear cups are filled with
> water part way to the same level. One has a rock on which an ice cube
> sits. It represents the Antarctic. The other has an ice cube floating in
> water, and represents the Arctic. Let them melt (encouraged by a hair
> blower.). When they melt, the water level of the Antarctic cup will be
> higher than the other. Simple science, but I wonder how many people
> think of this when hearing someone talk about rising ocean levels from
> melting ice. (Of course, the water level in the Arctic cup hasn't changed.)
>
>
--
Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
(121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet
"Decarbonize the power grid."
-- Tim Flannery, The Weather Makers
Web Page: <www.speckledwithstars.net/>
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