Thursday, March 06, 2008

RADIOACTIVITY GIZMO

For more extra credit:  do this gizmo.  
Don't forget to log in first!

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1 comment:

Unknown said...

Hello Mr.Emch this is Wun

When I tried Gizmo, It said result

will not be recorded because none of

classes using this gizmo.

11:50 AM

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