Presents one way to use an organized approach to investigation in order to compare and contrast different paper towel brands for their absorption capabilities. Uses investigation procedures rather than formal experimentation procedures due to the nature of the investigation. (Author/MM)

Describes the context and support structures involved in the implementation of a National Science Foundation (NSF)-funded professional development program designed to train elementary teachers to use exemplary science curriculum materials. Identifies components for the successful implementation of systemic reform efforts including purposeful…

Describes open-ended experiments with seeds from the common garden radish (Raphanus sativus). The phases of the 5-E learning cycle--Engagement, Exploration, Explanation, Extension, and Evaluation--guide this activity series. (Author/MM)

Describes teaching that encourages students to pose and solve authentic questions about science and math, describe the impacts of the academic and social culture in which they live, and use technology both in the design of their investigations and to communicate their findings. The Heron Network is comprised of the Web sites constructed by these…