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                            HOW SCHOOL STUDENTS ARE PARTICIPATING IN
                 PROJECTS AND EXPERIMENTING HOUSEHOLD PRODUCTS?


                                                 By Sirigiri Rajesh


                                                                    the  soap  in  soft  water  produced
               School  Students  are  interested  in                lather.
               doing  experiments  with  household
               products.  Some  of  experiments  and             Washing soda is used to remove
               projects are:                                        hardness in the water.

                Take  an egg  and  make  a  hole  at            We  all know sugars and  salts  in
                   top  of  the  egg.  The  fluid  in  the          our house. When these are placed
                   egg will flow outside. Now a thin                in  water  then  it  dissolves  and
                   layer  is  visible  inside  the  egg.            becomes  hypertonic  /  hypotonic
                   This     layer    is    called    cell           solutions. In sweets like jams and
                   membrane.          Collect        this           jellies we use more sugar -then it
                   membrane and note  down  the                     becomes      like    a    hypertonic
                   observation.                                     solution and helps not to spoil the
                                                                    products. The hypertonic solution
                * Collect waste water from your                    kills  the  microbes  and  fungi
                   kitchen  or  from      surroundings,             which  are  attacking  it.  In  this
                   and  take  filter  paper  into  your             way  the  jams  and  jellies  remain
                   hands,  now  by  placing  the  filter            for longer.
                   paper on an empty breaker, pour
                   the  waste  water  on  the  paper.            Children used to think creatively
                   Now we can see dust particles on                 and  started  writing  essays  in
                   the  surface  of  the filter  paper.             home or about their houses.
                   Note down the observations.                   Many  children  interested  in

                                                                    writing  poems  or  essays  from
                Take a  potato  and  peel  it  and
                   make a square shaped hole. Now                   home.
                   place  the potato  in  a  hypotonic           Some  are  interested  in  painting
                   solution, after some time we can                 and  some  are  interested  in
                   see that the  water  content inside              drawing etc.
                   the potato increases.
                                                                 Many              children          are
                Many  are  playing  with  soaps,                   preparing good  home  medicines
                   soaps     contain     sodium      and            by  knowing  their  important
                   potassium ions. Scrub the soap in                example:       turmeric      powder,
                   hard water and in soft water, we                 neem, etc.
                   can  see  that  the  soap  in  hard
                   water did not produce lather and              They will take empty vessels and
                                                                    fill  it  with  water  then  they  will




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