01106cam a2200301 4500 473116046 TxAuBib 20210101120000.0 770303s1977||||||||||||||||||||||||eng|u 76008121 9780394932941 lib. bdg. $4.99. 0394932943 lib. bdg. $4.99. 9780394832944 $3.95 0394832949 $3.95 DLC DLC DLC TxAuBib Berenstain, Stan, 1923-2005,. The Berenstain Bears' science fair / by Stan and Jan Berenstain. New York : Random House, 1977. 64 p. : col. ill. ; 29 cm. Bear facts library Papa Bear teaches Small Bear and Sister about machines, matter, and energy, and helps them prepare projects for a science fair. 20210101. Science Juvenile literature. Science. Science fairs Juvenile literature. Berenstain, Jan, 1923-2012, joint author. Bear facts library.