You accidentally dropped your favourite toy and broke it. This is a change you did not want. Can this change be reversed?

To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?

Some changes are listed in the following table. For each change, write in the blank column whether the change can be reversed or not.

A drawing sheet changes when you draw a picture on it. Can you reverse this change?

Give few examples to explain the difference between changes that can or cannot be reversed.