Does Air Have Weight ?

Items Required:

1. Two Balloons
2. Stick - 1 foot long
3. Three Strings (each 6 inches long)


1. Take the stick and tie one end of a string in the middle of it.
2. tie one end of each string to the extreme ends of the stick separately
Blow one of the balloons, leave the other one unblown
3. tie the empty/unblown balloon to the left side and a blown balloon to the right.
4. now grab the string in the middle of the stick and lift it high.


we can observe that the blown balloon stays down and the empty balloon stays up.


 The balloon filled with air goes down because it is heavier than the other. hence the experiment clearly shows that air has weight.

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