Description
Item Description:Title from title screen (viewed on May 19, 2009).
"Developed under contract number RS90081001 by the Council of Chief State School Officers, with the National Center for Improving Science Education and the American Institutes for Research for the National Assessment Governing Board."
"September 2004."
Electronic resource.
Physical Description:iv, 101 pages : digital, PDF file.
Format:Mode of access: Internet from the NAGB web site. Address as of 5/19/09: http://www.nagb.org/publications/frameworks/s%5Fframework%5F05/761907-ScienceFramework.pdf ; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 43-44).