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Universal Law of Gravitation

1,368 bytes removed, 11:39, 28 October 2020
Activity No # 1 - Inertial property of mass
* Strong and weak nuclear forces are other fundamental forces that act within the nucleus of an atom, holding it together. These forces however act only at the subatomic level. Above the atomic level, gravitational and electromagnetic forces can satisfactorily explain all events.
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===Activity No # 1 - Inertial property of mass ===
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* '''Estimated Time''' - 30 minutes
* '''Materials/ Resources needed'''
* '''Prerequisites/Instructions, if any'''
* '''Multimedia resources'''<br>
{{#widget:YouTube|id=QkCWoRGZLyI}}<br>
'''This video describes the inertial property of mass'''
* '''Website interactives/ links/ simulations'''
* '''Process (How to do the activity)'''<br>
#Let the students watch the video
#Ask them to write situations where they have faced inertia
* '''Developmental Questions (What discussion questions)'''
#When do we say something has inertia? (When it does not change its position)
#What does inertia do? (Resists change)
#Does it depend on size of the object? (Yes/ No/ Not always)
#If not on size, what does it depend on? (It depends on how much matter ther?e is - mass)
#When we observe inertia, we can say object has mass
 
* '''Evaluation (Questions for assessment of the child)'''
#Does inertia increase with size?
#Will an object have inertia when it moves?
* '''Question Corner'''
#How can I tell that an object has mass or not?
==Concept #2 - Newton's law of universal gravitation==

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