08/28/15 - 3/4 Chem 1H - Sig Digs in Calculating/Unit Analysis


Today's Agenda

Our Focus Question:  What practices are followed to ensure safety in the laboratory?

Goals
  1. Round calculated measurements to the correct number of sig digs when you:
    1. Multiply and divide
    2. Add and subtract.  
  2. Convert one unit to another (e.g., 0.532 cg = ______ mg), showing your work using dimensional analysis.
            Activities
            1. Bell Ringer
              1. Turn in your composition books.
              2. Pick up a calculator.  
              3. You need your chemistry pencil (no ink today), and paper.
            2. Housekeeping
              1. Quiz Monday - Sig Digs
              2. Guest speaker Tuesday for PART of the class.
              3. Textbook set up.  Take out your books.
            3. Notes - Sig Digs in calculations
              1. Practicing with sig digs - website
              2. Addition/subtratction
              3. Multiplication/division
            4. Notes - Unit analysis
              1. One conversion factor
              2. Multi-step
            5. Closure
            Prepare for the Next Class
            Check Google Classroom.
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