Reports part of a larger research study into the beliefs held by students, clergy, and teachers in a Lutheran secondary school concerning the relationship between science and religion. Contains 29 references. (DDR)

Follows the evolution in the thinking of Aldo Leopold, a game manager who was initially an advocate of predator eradication but who came to see predators as playing an important role in normally functioning ecosystems. (DDR)

Provides a simple recipe for "slime" as well as some ideas for using this substance with young children. (DDR)

Teachers sometimes create boxes that isolate students and hinder authentic learning, using the classroom, the unit, and the textbook as the boundaries of the instructional approach. (DDR)

Describes a proven three-step method used by teachers in Australia and the United States for developing assessment strategies to match existing science curricula. Includes sample assessments. (DDR)

Describes how teachers can use hypotheticals to help their students use a wide variety of skills in a cooperative manner to investigate the many scientific facts, technology, and competing arguments that relate to a topical societal issue. (DDR)

Presents an open-ended experiment designed to observe a range of processes and effects associated with electrolysis of an aqueous solution of copper sulfate. Lists materials and procedures. (DDR)

Describes educational toys that are made from natural and readily available materials in Ghana. Directions and diagrams for the pawpaw-leaf horn, milk-tin helicopter, pen-top propeller, bow and arrow, spinning top, and feather helicopter are included. (DDR)

Examines students' explanations of the greenhouse effect and the hole in the ozone layer, using a life-world and scientific dichotomy. Illuminates ideas often expressed in classrooms and sheds light on the progression in students' developing powers of explanation. Contains 17 references. (DDR)

Presents activities that use marine organisms with plant-like appearances to help students build classification skills and illustrate some of the less obvious differences between plants and animals. Compares mechanisms by which sessile plants and animals deal with common problems such as obtaining energy, defending themselves, successfully…

Describes an activity that involves student teams designing and producing three-to-five-minute instructional videos that define a scientific concept and illustrate its application to their personal experiences. (JRH)

Describes a five-step plan of action, formulated by students, to rebuild a pond ecosystem. Steps include cement/rocks, soil/sand, water, producers (autotrophs), and consumers (heterotrophs). (JRH)

Presents an assignment that involves forming student companies to determine and defend cost estimates for producing a silver Oscar statuette. Includes an assessment rubric for cooperative effort. (JRH)

Presents a student simulation activity based on the dideoxy chain termination method of determining the nucleotide sequence of DNA fragments developed in 1977 by Fred Sanger. (JRH)

Describes the use of weather satellites in providing an exciting, cohesive framework for students learning Earth and space science and in providing a hands-on approach to technology in the classroom. Discusses the history of weather satellites and classroom satellite tracking. (JRH)