Answer:
Lila put some ice cubes in a tray and left them out on the kitchen counter for thirty minutes. When she came back the ice was melted, so she had to put them back in the freezer to refreeze.
Step-by-step explanation:
A physical change is a generally reversible change. Eg. Ice melting, dissolving sugar and water, and boiling water are all examples of physical change!
Hope this helps :)