TY - BOOK TI - The American heritage children's science dictionary SN - 0618354018 U1 - R 503 T374 21 PY - 2005/// CY - Boston PB - Houghton Mifflin, KW - SCIENCE KW - DICTIONARIES, JUVENILLE LITERATURE N2 - Introduces the language and concepts of science through alphabetically listed entries with illustrations, "Did you know " sidebars, and explanatory notes ER -