Help! I'm teaching middle school science

Main Author: Swango, C. Jill, 1956-
Corporate Author: ebrary, Inc.
Other Authors: Steward, Sally Boles,
Format: Book
Language:English
Published: Arlington, Va. : NSTApress, c2002.
Subjects:
Online Access:http://site.ebrary.com/lib/ucy/Doc?id=10240813
Physical Description:ix, 133 p. : ill.
Bibliography:Includes bibliographical references (p. 122-127) and index.