Chemistry, Technology, Baseball, Swimming

CP09 – Pennium



  • Tuesday, January 31st

Class Business

  • Video due date
  • Sharing density data (see post for info)
  • Turn in worksheet HW


  • Review homework questions
  • How do I show process?
  • Do I need to write units all the time?
  • Sig figs and math rules?

Quiz – Measurement, Sig Figs and Units

  • two questions
  • 15 minutes
  • show your work

Lab Activity – Pennium

  • weighted average calculation
  • simulate this with pennies
  • each group has a sample of 15 pennies
  • determine how many isotopes
  • determine the mass of each isotope
  • calculate the weighted average of each sample
  • share on the spreadsheet [LINK]

Lab Activity Discussion

  • How does this relate to the periodic table?


  • Finish lab data entry
  • Ch. 5 (22, 24)


This entry was posted on January 30, 2017 by in CP1617 and tagged , , , , , , .


My first time at Jack London Square #oaktown I promise to never complain about my commute #bikelove @castilleja_school #chemistry @castilleja_school 
Thanks Ira Remsen! Gators vs Gators
So many awesome students in one place... tough to describe how proud I am to know them 
#shp @castilleja_school Proud to be a Californian
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