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Walker, Jearl – Scientific American, 1989
Discusses the applications of the principles of mechanics to rock climbing techniques. Provides illustrations showing the applied force vectors. (YP)
Descriptors: Force, Geometric Constructions, Mechanics (Physics), Physics
Download full textNational Assessment Governing Board, 2008
This document sets forth recommendations for the design of a new science assessment. The assessment resulting from this framework will start a new NAEP science trend (i.e., measure of student progress in science) beginning in 2009. This framework represents a unique opportunity to build on previous NAEP science work as well as key developments in…
Descriptors: Academic Achievement, Science Tests, National Competency Tests, Scoring
