The National Assessment of Educational Progress (NAEP) measures student science achievement nationally, state by state, and, most recently, across selected urban school districts. Periodically, the framework underlying the science assessment is revised or updated. This document, "Science Framework for the 2019 National Assessment of…

This article presents the experiences of Miss Felecia McLaughlin, a fourth-grade teacher from the island of Jamaica who used the model proposed by Bass et al. (2009) to assess conceptual understanding of four of the six types of simple machines while encouraging collaboration through the creation of learning teams. Students had an opportunity to…

Hopscotch, basketball, or hide-and-seek? Children have many choices at recess, and while making these choices they must consider and make trade-offs. The way they make these decisions is not that different from the thought processes engineers use when making design trade-offs. Engineers have to make trade-offs because a design that meets all…