Enger, Sandra K Assessing student understanding in science : a standards-based K-12 handbook - 2nd ed - Thousand Oaks, CA: Corwin Press, 2009 - xiii, 196 p. : ill. ; 28 cm ISBN: 9781412969925 Subjects--Topical Terms: Science - Ability testing - United States - Handbooks, manuals, etc Dewey Class. No.: 507.1 ENG