00934cam a2200289 4500 62119974 TxAuBib 20010904120000.0 010904s2000||||||||||||||||||||||||eng|u 99013877 9780823954551 0823954552 DLC DLC UKM TDS TxAuBib Hartzog, John Daniel. Everyday science experiments in the backyard / John Daniel Hartzog. New York : PowerKids Press, 2000. 24 p. : col. ill. ; 22 x 27 cm. Science surprises Includes index. Provides experiments that explore scientific phenomena occurring in the backyard. 20010904. Natural history Experiments. Nature study. Science Experiments. Experiments. Science surprises.