It's fun to know why : experiments with things around us /
Schwartz, Julius.
It's fun to know why : experiments with things around us / Julius Schwartz. - New York : McGraw-Hill Book Company, Inc, 1952. - 125 p. : ill. ; 21 cm.
Include index.
Through specific experiments the reader is led to discover scientific facts about such everyday materials as iron, salt, paper, and plastic.
Science --Juvenile literature.
Science--Experiments.
500.01 SCH
It's fun to know why : experiments with things around us / Julius Schwartz. - New York : McGraw-Hill Book Company, Inc, 1952. - 125 p. : ill. ; 21 cm.
Include index.
Through specific experiments the reader is led to discover scientific facts about such everyday materials as iron, salt, paper, and plastic.
Science --Juvenile literature.
Science--Experiments.
500.01 SCH