Ali finds that his ping-pong ball is dent.What can be done to return the dented ping-pong ball to its original shape?Explain the solution by using the principle of expansion of matter.

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Can somebody answer my question?This is Science question.

Jawapan

2016-08-22T18:55:02+08:00
Get a a cup of hot water, place the ping pong ball into the hot water and sink the ping pong ball in the hot water for a few seconds. It will inflate by itself . The air inside the ping pong ball expand in the hot water and it inflated.

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