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1. the  penny  is  chemical by color //--\''

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1   torne     corne.
2. chemical chaenm.
3. paper towel wait overnight
paper towel wait overnight.

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the penny are going to change the color it going to be orange or brown so is change to black brown

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1 the penny  change lit  to back  2 phyical

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1.phsychan it is changing its color 2.

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1.penny are change because the keeping forever make it old and so dirdy

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1.the penny's are change color
2. its a chemical chaenm

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1, the  penes are chaging by the coler geting brown
2,

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1. change color
2. phtical
3. salt and vinger

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1than tonro cronm.

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1. They are getting dirty from the wind.
2. it is c

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1.they are get dirty

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1.the penny is rustimg up
2. this change is chemical change
3. you can liv it in the salt and vinegar for a day maybe it will rust up again

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1. They get dot
2 It is
3

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1.tThe reason why they are changeing because salt and vinager change the penny to dirdey to shiny.
2.It is a physical change because  you change the dirdy penny to a shiny penny.
3.no you cant undo the penny because as soon it became shiny you cant change it back

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1. They are chageing becuse these penny are old.
2. thoso penny are  so  claen but then they got dirdey .
3. they look so shiny

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1. The pannys are change because the c

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1. The penny change because it is shing and some of them are old.
2. It is a chemcal change.
3. Yes, because when you get salt then you put vinegar the you put the penny and you mixed it changes.

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It is chemical change because the wide change the color of

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1.
2.
3.

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Look at the pennies. How are they changing? What type of change is this, physical or chemical? Can you undo this change? 

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Look at the pennies. How are they changing? What type of change is this, physical or chemical? Can you undo this change? 