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Question: Do all pennies weight the same.
 * Act One (Entry Task)**

At your table, you will have pre and post 1982 pennies. Weight them, and see if there is any measureable difference.

Check out this worksheet here --> [] It is also copy/pasted at the bottom.

. Do the lab . . Discuss the lab . ..
 * Act Two (Anticipatory Set, Modelling, Demonstration)**
 * Act Three (Lecture/Notes/Reading)**
 * Act Four (Lecture/Notes/Reading)**
 * Act Five: (Guided Practice)**
 * Act Six: (Independent Practice/Closure)**
 * Turn in paper**
 * sci method**
 * when are isotopes used**
 * how to calculate**
 * penny weight**
 * how to calculate**
 * penny weight**