TY - BOOK AU - Koba,Susan AU - Mitchell,Carol T. ED - ebrary, Inc. TI - Hard-to-teach science concepts: a framework to support learners, grades 3-5 AV - LB1585 .K63 2011eb U1 - 372.35/044 22 PY - 2011/// CY - Arlington, Va. PB - National Science Teachers Association KW - Science KW - Study and teaching (Primary) KW - Electronic books KW - local N1 - Includes bibliographical references and index; pt. 1. The toolbox : a framework and instructional tools -- pt. 2. Toolbox implementation : using the framework and instructional tools with hard-to-teach science topics; Electronic reproduction; Palo Alto, Calif.; ebrary; 2011; Available via World Wide Web; Access may be limited to ebrary affiliated libraries UR - http://site.ebrary.com/lib/rucke/Doc?id=10492835 ER -