Junior Vocab
The Concept of Reversible Changes
Have you ever turned your jacket inside out and then flipped it back again? That jacket is reversiblereversiblechange it and then return it to the way it was before. Some changes are, like melting ice, because the ice can freeze back into the same shape. because you can
undoreversiblereversibleburning paper, are not, because you cannot turn the ashes back into paper. Next time you zip a jacket or erase a pencil mark, notice how you can the change.Other changes, like