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Universal Law of Gravitation (view source)
Revision as of 10:01, 4 December 2013
, 10:01, 4 December 2013→Activity No # 1 Demonstration of the gravitational force
===Activity No # 1 Demonstration of the gravitational force ===
===Activity No # 1 Demonstration of the gravitational force ===
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''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
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* '''Estimated Time'''
* '''Estimated Time''' - 45 minutes
* '''Materials/ Resources needed'''
* '''Materials/ Resources needed'''
* '''Prerequisites/Instructions, if any'''
* '''Prerequisites/Instructions, if any'''
* '''Multimedia resources'''
* '''Multimedia resources'''
* '''Website interactives/ links/ simulations'''
* '''Website interactives/ links/ simulations'''
[[Image:gravity-force-lab-screenshot.png|200px]]
[http://phet.colorado.edu/en/simulation/gravity-force-lab '''Click here for PhET simulation''']
<br><br>
* '''Process (How to do the activity)'''
* '''Process (How to do the activity)'''
#Open the simulation
#Work with the simulation, change the parameters and discuss the following questions o
* '''Developmental Questions (What discussion questions)'''
* '''Developmental Questions (What discussion questions)'''
#When <math>m_1</math> is moved towards <math>m_2</math> what is the the force on each sphere?
#What is the direction and magnitude of the force?
#When the spheres are moved towards each other, does the force increase or decrease?
#What is this due to? (Inverse square law)
* '''Evaluation (Questions for assessment of the child)'''
* '''Evaluation (Questions for assessment of the child)'''
#If the gravitational force is the same for both objects, why do we see the apple falling but not the ground moving up?
#What can you say about the magnitude of gravitational force?
* '''Question Corner'''
* '''Question Corner'''
===Activity No # ===
===Activity No # ===
