Gary+Krenzer

Gary Krenzer Chemistry Teacher Mercer Area High School

gkrenzer@mercer.k12.pa.us

media type="custom" key="4157927" My Wikis: http://consumerchempd4chemicalreactions.wikispaces.com/ http://consumerchemfinal4.wikispaces.com/ http://conchempd4.wikispaces.com/ http://thezebramenu.wikispaces.com/ http://volumeofaboat.wikispaces.com/ I use wikis mostly for projects, in place of presentations and as a way for students to work together toward a common (usually large) goal