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Children, today we will learn about Changes We See Around Us. There are two types of changes:-Reversible changes and Irreversible changes.
Changes We See Around Us!
Changes Around Us!
Changes which can be reversed to form the original substance are called reversible changes.
For example: If ice melts it becomes water. But if we cool this water, we get ice back.
For example: Hot milk can be cooled to give cold milk. Cold milk can then be heated to give hot milk.
Changes in which the matter cannot be brought back to its original state are known as irreversible changes.
For example: If you blow a balloon and pop it with something sharp, it will burst. You cannot blow this balloon again.
For example: If you cut a piece of paper with a pair of scissors, you cannot get the paper back.
Sir, this was a very interesting topic ! We hope to learn more such science concepts!
I am glad to know that you liked the class today. Goodbye! see you tomorrow.
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