Presents an activity in which water temperature is investigated in relation to water depth, weather patterns, land use, time of year, and other factors students choose to investigate with data collected from the Internet. Uses the Great Lakes as the setting for this investigation and examines how and why the temperature of a body of water changes…

Provides interdisciplinary ideas to accompany environmental education activities for kindergarten through grade 12. Topics of the activities include water pollution, soil erosion, and salmon homing instincts. Interdisciplinary areas include fine arts, language arts, and social studies. (DDR)

Presents an exercise that addresses issues of biodiversity, human ecology, and tropical forest loss which requires students to consider several factors surrounding three fictitious land-use scenarios. Stimulates students to first review and then openly debate situations that require the simultaneous consideration of many factors. (JRH)

Outlines chemistry labs used during the first quarter of study and advises about framing the course for students. Topics of the labs include observation; blind observation; measurement, determination of conversion factors, and percent error; taking and reporting data over time; and density. (DDR)

Describes an organic functional group card deck developed to help students visualize the structures of 13 common organic functional groups. (YDS)

Presents a science activity designed to involve students in experimental procedures such as data collection and analysis by extracting peroxidase from plant sources. (YDS)

Outlines strategies used to involve the teaching community in a program of native wildlife recovery. Through involvement, teachers and students learn how to contribute to protecting threatened species and maintaining biodiversity. (DDR)

Reports on the two most commonly used resources on global climate change available on the Internet and provides examples of classroom activities. (Author/YDS)

Uses student-constructed models to teach about the atom and its structure in order to achieve internalized understanding of the concept among students. (YDS)

Describes activities for K-12 students, most of which are adapted from "The Lewis and Clark Expedition: Scientific Discovery Educator's Resource Guide" created by the partnership of Fort Clatsop National Memorial and the U.S. Fish and Wildlife Service. (Author/KHR)

Presents procedures for weather studies as exciting and relatively simple research projects for students to perform. Expects that students gain an accurate view of the scientific process in addition to real-world experience as they face challenging setbacks and make unexpected discoveries along the way. Includes cross-curricular applications.…

Described is an activity where students prepare high-quality fossil specimens to demonstrate the theory of evolution. The technique needed for fossil removal, the geologic and paleoclimatic setting, and the fish morphology are discussed. (KR)

Described is an activity designed to allow students' thinking about taxonomy to evolve in the same fashion as the thinking of taxonomists. Presented are the problem to be investigated, procedures, and questions for discussion. (CW)

Described is an activity in which students examine data collected from an official report of a train accident to evaluate the conclusions of the official investigation. Quotations from the records and calculations used in this activity are included. (CW)

Presented is a cytogenic technique which enables students to produce preparations of dividing cells. Described are materials, methods, typical results, and assessment for this activity. The usefulness for a wide range of ages and abilities is stressed. (CW)