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15
×
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15
×
How can you solidify melted chocolate, by heating or cooling?
cooling
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15
×
Draw an examples of Irreversible Changes
Popcorn popping, cooking eggs, making cupcakes, and lighting something on fire are all common examples
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15
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Reversible or Irreversible: tearing paper
Irreversible
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15
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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
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seesaw
Swap points!
Oops!
×
rocket
Go to first place!
Okay!
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shark
Other team loses 15 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
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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.
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seesaw
Swap points!
Oops!
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gold
Win 50 points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 10 points!
Oops!
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seesaw
Swap points!
Oops!
×
gift
Win 25 points!
Okay!
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gift
Win 10 points!
Okay!
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baam
Lose 15 points!
Oops!
15
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Reversible or Irreversible: turning ice into water
Reversible
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15
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How can you melt an ice, by heating or cooling?
Heating
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15
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Reversible or Irreversible: cooking an egg
Irreversible
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15
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Reversible or Irreversible: Baking a cake
Irreversible Change
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15
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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.
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