This study combined 3D printing technology with experiential learning strategies (ELS) to design a hands-on curriculum for preengineering students. The participants learned interdisciplinary knowledge and abstract scientific concepts through the curriculum. The study implemented a quasi-experimental design to examine whether the students who…

An important challenge faced by many teachers as they involve students in science investigations is measuring (assessing) students' progress. Our detailed requirements analysis in a particular school district led to the idea that what teachers need most are ways to increase the quality of the information they have about what students know and can…