Gardner, Robert 1929- creator text bibliography nyu New York F. Watts c1993 1993 monographic eng

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174 p. : ill. ; 24 cm. Presents easy-to-prepare scientific experiments that demonstrate principles of physics, chemistry, astronomy, and biology. juvenile by Robert Gardner. Includes bibliographical references (p. 171) and index. Science Experiments Juvenile literature Science Experiments Experiments Q164 .G315 1993 0531110907 (lib. bdg.) 0531156710 (pbk.) 92021116 921022 20170204104413.0 3449883