TY - BOOK AU - Curry, Don L. TI - What is mass? T2 - Rookie read-about science SN - 0516236199 AV - QC173.36 .C86 2004 U1 - 531.14 CUR PY - 2004/// CY - New York PB - Children's Press KW - Mass (Physics) KW - Juvenile literature KW - Matter KW - Properties N1 - Includes index; GRL: I N2 - Introduces young children to mass as they learn what everything has mass, and that things made up of more matter have more mass ER -