Answers

2016-02-08T20:50:05+08:00

the balloon will get bigger because the air inside the balloon will increase its volume due to heat the air molecules are able to move fast and it also increases its pressure on the wall of the balloon this helps to increase the size of the balloon 
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2016-02-09T16:52:55+08:00
Because of the pressure and temperature given by the lamp that makes the molecule move faster inside the balloon causing it to expand or become larger.
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