MERRILL SCIENCE, GRADE 2, TEACHER EDITION - HACKETT, JAY K.; MOYER, RICHARD H.; ADAMS, DONALD K. (MERRILL PUBLISHING CO. OHIO, USA, 1989)
Keywords: SCIENCE; TEACHER EDITION FOR GRADE 2 TEXTBOOK; PLANTS; ANIMALS; ECOLOGY; HUMAN HEALTH; AIR, WATER, WEATHER; ROCKS, MINERALS, LAND; SPACE; MATTER; FORCES AND ENERGY