AU - MILNER,BRYAN TI - CORE PHYSICS T2 - CORE SCIENCE SEPARATES SN - 0521666376 U1 - 530/MIL PY - 2003/// CY - CAMBRIDGE PB - PRESS SYNDICATE OF THE UNIVERSITY OF CAMBRIDGE KW - PHYSICS KW - TEXTBOOK KW - FORCES KW - LIGHT AND SOUND KW - ELECTRICITY KW - ENERGY KW - SCIENCE FOR AGES 11-14 ER -