AOL Keyword Tool

AOL has released more than 20M web queries collected from ~650k users over three months (from March 1, 2006 - June 1, 2006). We'd like to present an easy web interface to analyze current data enhanced by most advanced stats.
 Keywords  Unique Users  Search Volume  Top Clicked Position  Most Users Ended Up
why are physical changes preferable to chemical changes 1 2 0
why are physical changes preferable to chemical changes separating 1 2 0
why are physical changes preferable to chemical changes separating two substances 1 1 0