00487nam a2200133 a 450000500170000000800410001705000240005810000190008224501430010126000360024465000170028065000210029765000350031820140414132001.0110212s19uu    xx            00    eng d  aTR 532.25bM37 1997  aMason, Jane B.  aThe magic school bus ups and downs :ba book about floating and sinking /c[adaptation by Jane B. Mason ; illustrated by Nancy Stevenson].  aNew York :bScholastic,cc1997.  aHydrostatics  aFloating bodies.  aBuoyant ascent (Hydrodynamics)