Cells and systems /
Kelly Milner Halls.
- Chicago, Ill. : Heinemann Library, c2007.
- 48 p. : col. ill. ; 25 cm.
- Science fair projects .
Includes bibliographical references and index.
Science fair basics -- Grow baby grow -- The building blocks of digestion -- Clearing the air -- Be still my heart (but not too still) -- Eating chocolate for science -- Brain buzz-z-z-z-z -- Sneaker stinker -- Don't look! -- Stop and catch your breath -- The competition.