TY - BOOK ED - Time-Life Books. TI - Structure of matter T2 - Understanding science & nature SN - 0809496623 AV - QD35 .S77 1992 U1 - 540 20 PY - 1992/// CY - Alexandria, Va. PB - Time-Life KW - Chemistry KW - Juvenile literature KW - Matter KW - sears N1 - Includes index; Young Adult; Follett Library Resources N2 - Discusses the structure and nature of matter and ways in which it can change ER -