Chemistry 11:  Today we did lab 20C part II.  If you were absent on Thursday, be sure to copy part I data from your partner.  The concentration of the NaOH used for lab 20C is 0.1076M.  Everyone should have Questions 1-3 done for Tuesday.

Chemistry 12:  Unit 4 # 58-64.  Today we wrote a quiz on U4 # 47-47.

Science 9 (P56):  Read 9.5 and make brief notes on each of Lightning, Laser Printer, Fabric Softeners, and Electrostatic precipitators.  For each of these 4 applications, make a simple sketch showing the charges and explain briefly how they work.