suggest me a working science model for class 9th

suggest me a working model biology

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some of the models on topic human body

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Make a solar panel with single cell not on all houses but only one big enough absorbing more solar energy on the ground.Find more at encarta.com.
 

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 a model on science 

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suggest me working modael in science for class 9th

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science  working model for class9th

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a magnetic crane to show to remove parking problem in delhi populated areas

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tgt
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The working hydroelectricity model is the best one...
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hmmm
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You can make a model on motion. Make a model of park. You can use toys with circular motion in that,small pendulum rides. Make a road aside and use a toy car to represent show motion.
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u can make a model related to biology ,on the topic immunisation and vaccination .The expaination is not comming here. Sorry... In short.. 1 scene 2 people (1 doctor and 1 pearson) injecting injection. 2 scene .. crowded scene 1 is snezzing and that injected pearson do not get ill but others do
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refer engineer this episodes
 
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working model of a water pump willbe gr8 and aesy fr u
 
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Smart city
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  1. working fan
  2. volcano eruption
  3. water fitration
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Stae and prove The law of conservation of Energy
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Whan a body i Puse the body At Point 1 and after the body one plesed to an other plesed
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a greenhouse effect;take a globe and cover a part of it with glass,show a torch diagonally
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Which quantity represent efficiency of doing work?
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What is one ampere of current
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Pls...ans. fast 😢😨😣
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HYDROELECTRICITY MODEL.....
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solar powered boat 
with solar panels and also battery operated in case of shortage of light
 
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working biogas modal
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Gravity Light
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ampere of current
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You can make a windmill
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All in one science for class 9,10
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Hydrolic Robotic arm or Electric Shoe
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You can make hydro power plant
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Hydro power plant
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SCIENCE BEHIND ELECTRO MEGNETIC FIELD
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SCIENCE BEHIND ELECTRO MAGNETIC FIELD
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Please find this answer

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For which school do u want
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so fuuny
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Pollution catcher is the best model for class 9 student
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Pollution catcher is the best model for class 9
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Please find this answer

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Flood alarm
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working fan

volcano eruption

water fitration
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in an oscillating simple pendulum state the position of the pendulum when the kinetic energy and potential energy is maximum and minimum
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Ok i am agree
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When moving something from one place to another, it carries energy, and lasses of energy is called function.
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Please find this answer

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Joule:
It is a energy that delivered when 1 watt of power is applied for 1second.

kWh:
It is a 1000 watts applied for 60?60 seconds so a kWh is 1000?60?60 joules=3600000Joule or 3.6MJ
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Volcano u can do ......
It is very Easy by clay
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classes
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Working model with the help of a cell battery

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I think no
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Because it changes its form e.g solar plates
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  1. A model of an elevator
  2. DC motor
  3. Blind man’s stick
  4. Steam boat
  5. Sterling engine
  6. Hydraulic jack
  7. Lie detectors
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Life is a game that remot is in your hands
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Vastu
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Here the formula of
Kinetic energy is = 1/2 mv squre.
Potential energy = mgh.
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Hiho
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Ljbsisb
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Vshshdhgs
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Agriculture in village
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What are you looking for?