Briefly answer the following:
Define reversible changes.
Answer variants:
original form
heating
temporary
cooling
colour
weight
shape
state
no new substance
broken piece
A reversible change is a change in which a substance or object can be changed back to its , , or . In this type of change, is formed, and the change is usually . Reversible changes often occur due to , , stretching, or folding. For example, ice melts into water when heated and changes back into ice when cooled again.