Classroom discussion can help young children monitor their thinking and share their ideas in order to be understood (Donovan and Bransford 2005). Particularly for children who are not yet reading and writing independently, opportunities to discuss ideas can support engagement and sensemaking during science instruction (e.g., Wright and Gotwals…

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…