28-03-2012, 11:09 AM
Hydro power plant
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go for hydro power plant
this is very easy
on a thermacol make two houses or hut one road and most importantantly one dam
buy one small motor this is easily available in markets
it will cost you Rs 50
it will hawe a shaft
attach turbine to it made of silver foil which we use for food packaging
take two bulbs use it as light of the huts
make two street lights near roads
while showing its working use battery or cells to light them
you can explain it as when turbine rotates it produces electricity which we ase for domestic or industrial purpuse
i know it will be hard for you to make it without seeing
but i will try to find out a photo graph of my model
other is solar energy in this olso u have to make huts roads and all
as solar cells r very costly u can make them using a mirror
u can also make model on topic circulatary system
make a big diagram of heart and use to pipes and pumps
add blue color in water to show impure blood and red color to show pure blood
LOOK ONE CD IS ALSO AVAILABLE IN MARKET WITH A BOOK ENTIRELY ABOUT MODELS
I WAS HAVING THAT 5-6 MONTH BACK
go to site http://www.pustakmahal you can buy it fron there
name of book and cd is 71 new science projects
Hope i helped!!
you need a working science model(usually ref. to prototype), for class very best and easy prototype making is a tiny wind mill.
all you need is a
1)fan like arrangement(make it out of card board)
2)a D.C motor(you can buy it for rs.15)
3)hair dryer
4)a multimeter (borrow it from your physics lab or from someone)
couple the fan with the d.c motor,and the motor's terminal to the multimeter,blow the dryer on the fan,you will find deflection in the meter,
put the meter in volts 20 volts d.c mode to find deflections.
http://www.scienceproject
http://www.cool-science-projectsScience-...splay.html
http://www.freesciencefairproject