Soxteacher

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CH03 – Significant Figures

sigfig-cartoon

Dates

  • P4 – Friday, January 12th
  • P5 – Tuesday, January 15th
  • P7 – Tuesday, January 16th

Class Business

  • Fall Semester Final Exam commentary
  • Questions about grades?

Activity Recap

  • Comments about measurement?
  • What was challenging about acvtivity?

New Idea – Terms

  • Precision
  • Accuracy
  • Error
  • Uncertainty
  • (you can LOOK IT UP!)

New Idea – Measurement & Significant Figures

  • all measurements contain uncertainty
  • all numbers are measurements
  • so how do we deal with this?
  • SIGNIFICANT FIGURES
  • all certain digits and one good guess
  • YES, all numbers contain a GUESS
  • Hint: scientific notation helps!

Textbook Work

  • Chapter 1 (27 – 34)

Homework

  • Finish Textbook Work
  • NOTE: pencil on paper, space work
  • SHOW: given info and some indication of process
  • DO NOT just write the answer

Information

This entry was posted on January 11, 2018 by in 1718 and tagged .

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