Includes bibliographical references (pages 119, 121) and index.
Note
"Portions of this book originally appeared in the book Science fair success using household products"--Title page verso.
Summary
There's science behind everything. From testing how effective sunblock is to finding out how skin cream works to uncovering the chemicals in aspirin, these unique experiments help you investigate your world while you create a prize-winning science fair project!"-- Page 4 of cover.