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Draw an examples of Irreversible Changes
Popcorn popping, cooking eggs, making cupcakes, and lighting something on fire are all common examples
Draw an examples of Reversible Changes
Melting butter then cooling it and melting an ice cube then re-freezing it in the freezer are both common examples.
When you heat a stick of butter, what state of matter does it change to? It changes from solid to....?
It changes from Solid to Liquid
How can you tell if a change is Reversible?
If the object that changed can go back to its original form, then it is reversible.
Reversible or Irreversible: Baking a cake
Irreversible Change
How can you melt an ice, by heating or cooling?
Heating
Reversible or Irreversible: cooking an egg
Irreversible
Reversible or Irreversible: turning ice into water
Reversible
Reversible or Irreversible: tearing paper
Irreversible
How can you solidify melted chocolate, by heating or cooling?
cooling
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