[Nfb-science] science experiments (Shanthala Somayaji)

Fri Jan 25 19:57:10 UTC 2013

Here's another possibility. As a kid I did an experiment of immersing a 
stalk of rhubarb in a solution of sodium bicarbonate. The part of the 
stalk in the water swelled up considerably.

John

On Fri, Jan 25, 2013 at 01:41:30PM -0600, Adriana Ochoa wrote:
> Hi,
> I don't know If this will help your experiment directly but it might
> help you come up with some ideas. In my biochemistry lab we did an
> experiment with potatoe cylinders and salt solutions. Our experiment
> was to view osmosis but it clearly showed how cells obsorb water.
> Maybe, showing them how water is obsorbed first can aid in teaching
> them this concept. Because the changes were physical and obvious in
> the potatoe cylinders  that obsorbed water.
> Adriana
> 
> On 1/25/13, nfb-science-request at nfbnet.org
> <nfb-science-request at nfbnet.org> wrote:
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> >    1. science experiments (Shanthala Somayaji)
> >    2. Re: science experiments (ngrice5456 at aol.com)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Fri, 25 Jan 2013 12:05:30 +0530
> > From: "Shanthala Somayaji" <shanthala at enable-india.org>
> > To: "'NFB Science and Engineering Division List'"
> > 	<nfb-science at nfbnet.org>
> > Subject: [Nfb-science] science experiments
> > Message-ID: <000101cdfac6$32bc9220$9835b660$@enable-india.org>
> > Content-Type: text/plain;	charset="us-ascii"
> >
> > Dear all,
> >
> > I am a teacher of children with visual impairment working in an
> > organization
> > called EnAble India, from Bangalore, India. In a new project, we are
> > working
> > towards promoting math and science education for the blind and visually
> > impaired in India. As part of this project, we are looking at all the
> > experiments done at primary and middle school level and making them
> > accessible wherever necessary. We suggest adaptations, if required; provide
> > tactile materials/models to replace pictures/diagrams; suggest process
> > change if required; etc.
> >
> > I needed some guidance on how to conduct the following experiments:
> > 1. Root absorbs water
> > 2. Stem conducts water
> >
> > This is usually done by keeping a balsam plant in a beaker containing
> > colored water. After sometime, it is observed that the plant (the stem and
> > the leaves) change color. Is there any way to show this experiment to
> > children who are totally blind?
> >
> > If this is not the right forum to discuss science at a basic level, please
> > suggest pointers if you have any.
> >
> > Thanks,
> > Shanthala
> > EnAble India
> >
> >
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Fri, 25 Jan 2013 06:55:00 -0500 (EST)
> > From: ngrice5456 at aol.com
> > To: nfb-science at nfbnet.org
> > Subject: Re: [Nfb-science] science experiments
> > Message-ID: <8CFC909EFFF1AAA-2244-E323 at webmail-d157.sysops.aol.com>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Shanthala,
> >
> > I did an activity that was similar to what you describe with celery and food
> > coloring. One time, I had students use an electronic color identifyer to
> > describe the color changes. Another time, there was a student in the class
> > with low vision who volunteered to be the "human" color identifyer.
> >
> > Hope that helps.
> >
> >
> > - Noreen Grice
> > You Can Do Astronomy
> >
> >
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: Shanthala Somayaji <shanthala at enable-india.org>
> > To: 'NFB Science and Engineering Division List' <nfb-science at nfbnet.org>
> > Sent: Fri, Jan 25, 2013 1:41 am
> > Subject: [Nfb-science] science experiments
> >
> >
> > Dear all,
> >
> > I am a teacher of children with visual impairment working in an
> > organization
> > called EnAble India, from Bangalore, India. In a new project, we are
> > working
> > towards promoting math and science education for the blind and visually
> > impaired in India. As part of this project, we are looking at all the
> > experiments done at primary and middle school level and making them
> > accessible wherever necessary. We suggest adaptations, if required; provide
> > tactile materials/models to replace pictures/diagrams; suggest process
> > change if required; etc.
> >
> > I needed some guidance on how to conduct the following experiments:
> > 1. Root absorbs water
> > 2. Stem conducts water
> >
> > This is usually done by keeping a balsam plant in a beaker containing
> > colored water. After sometime, it is observed that the plant (the stem and
> > the leaves) change color. Is there any way to show this experiment to
> > children who are totally blind?
> >
> > If this is not the right forum to discuss science at a basic level, please
> > suggest pointers if you have any.
> >
> > Thanks,
> > Shanthala
> > EnAble India
> >
> >
> >
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> >
> >
> >
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> > End of Nfb-science Digest, Vol 78, Issue 7
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