Reversible changes
What is meant by reversible changes?
A change that can be undone.
The process that involves a change from solid to liquid is called _______________.
melting
Melting of ice can be reversed by___________.
Freezing
A cooked egg cannot be uncooked. This is an example of an ________________ change.
irreversible
A brownie placed in an over cannot be uncooked. This is an example of ___________.
Irreversible Change
Freezing and melting an ice cream is an example of a ____.
reversible change
Explain why ice cream is an example of a reversible change.
It can be reversed by freezing.
True or False: Cutting and crumpling paper can be undone.
True
True or False
Boiling an egg can be reversed by cooling.
False
What can you add or take away from a liquid to make it change?
heat