Chemistry 11:  After a short review of Endothermic and Exothermic reactions, we watched a titration to learn proper techniques.    Lab 20C needs to be prepared for tomorrow.  You also received the Reactions Unit Practice test, which is due Friday.  Test on Monday.  Click here to see the key to the WS titled "Finding Limiting Reactant and Reactant in Excess".   Click here to see the key for the WS titled "Stoichiometry Calculations". 

Science 9:  Field Trip next class!  Meet at the Bus Stop at 8:45 for attendance, then we will drive up to the Greeley Municipal Water Treatment facility to see how our water is treated.  On the return trip you will get a deluxe tour of Sewage Treatment Facility!  How lucky are you! Dress for the weather, - we will be outside for some of the time.  Umbre