Cole, Joanna. <br/><br/>
Ups and downs :  a book about floating and sinking / 
Joanna Cole. Illustrated by Bruce Degen. 
 - New York :  Scholastic,  c1997. 
 - (unpaged) :  col. ill. ;  21 cm. 
 - The Magic School Bus. .
<br/><br/> "Based on the episode from the animated TV series produced by Scholastic Productions, Inc."--T.p. verso. 
<br/><br/><label>ISBN: </label>0590921584 (pbk.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Floating bodies. Hydrostatics. Buoyant ascent (Hydrodynamics).--Juvenile literature.--Fiction.