00430nam a22001097a 4500020001800000082002600018100002100044245012700065260005800192300002800250650004200278  a0-7879-7003-4  aProf. 507.6 H693 20041 aHoehn, Robert G.10aWhat's up in science? :bpuzzles and problem-solving activities to build science literacy, grades 6-10 /cRobert G. Hoehn.  aSan Francisco, CA :bJohn Wiley & Sons, Inc.,cc2004.  a232 p. :bill. ; 28 cm.14aSciencexProblems and exercises, etc.