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Spring 2008  Phys 5A  1/25  Lecture 1.2  50 minutes
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"We make our world significant by the courage of 
our questions and by the depth of our answers." 
--Carl Sagan, _Cosmos_ page 193

**NO LABS THIS WEEK; LABS START NEXT WEEK**

**REGISTERED CLICKERS = START EARNING POINTS**

TODAY (*.pdf)
Ch. 1.3: The Use of Mathematics
Ch. 1.4: Scientific Notation and Significant Figures
     Ex: Conceptual Question 1.6(b) (extended)
     Ex: Problem 1.14 (extended)
     Ex: Problem 1.10(a) (extended)
          Yugoslavian billion dinara note
     Ex: Problem 1.12(c) (extended)
     Ex: Problem 1.11(a) (extended)

"Physics Survey B" (for education research)
     Do not write on questionnaire
     Write name, date, and answers on separate page
     Choose best answer, leave blank if you don't understand
     Participation credit given at end of semester 
     Initial/sign/date informed consent form (*.pdf) 

ANNOUNCEMENTS
Bookstore: textbook, lab manual, CPS RF "clicker"
           (optional = solutions guide, study tips manual)
Register your CPS "clicker" at einstruction.com
     (select students tab at top)
     (select "school" = Cuesta College Physical Sciences Division)
     create account = input contact info, LAST AND FIRST NAME
     serial number = turn on clicker
     class key = K30058E415
     enrollment code = insert included with textbook 
                     = $ discount!

NEXT TIME
Homework 
     Problems 1.12, 1.14 ("Chapter 1 Problems 12, 14," p. 18)
              (on p. 18; be ready to enter numerical answers)
     Read Chs. 1.5, 1.6, Table 1.2 (p. 8) 
          (basic definitions, comprehension)         

     [Use registered clicker to enter homework answers 9:30-9:35 AM]