AU - CAMPBELL,STEPHEN AU - GOOLEY,DIANA KAYE AU - HERRIDGE,DOUG AU - KYDD,GILLIAN AU - MAITSON,SHERRY AU - MOORE,NANCY AU - WILLIAMS,BEVERLY TI - EXPLORATIONS IN SCIENCE, LEVEL FOUR, SAMPLER T2 - EXPLORATIONS IN SCIENCE SN - 0201555050 U1 - 500.076/CAM PY - 1992/// CY - ONTARIO, CANADA PB - ADDISON-WESLEY PUBLISHERS LIMITED KW - SCIENCE KW - ACTIVITY PROGRAMS IN EDUCATION KW - PRIMARY GRADES KW - STUDY AND TEACHING KW - SAMPLER N1 - SHELVED WITH TEACHERS' RESOURCES ER -