Describes an activity using a world globe, some golf tees, and a sunny day to help students understand daily and seasonal time differences. (PR)

Explains why groundwater is important and provides basic facts about groundwater. Presents student activities for understanding groundwater and porosity. Includes a color poster. (PR)

Describes the P- and S-waves associated with earthquakes and presents a game that is a seismic simulation. The object of the game is to locate the origin of an earthquake, which will be a student in the class. The game can be used for all age levels. (PR)

Presents three teaching ideas entitled (1) Rearview Mirrors; (2) Chills and Fevers; and (3) Science Activities and the Learner. The second idea presents a poem to help students with the relationship between Centigrade and Fahrenheit. The third idea presents activities on evaporation. (PR)

Explains the use of a constructivist model for engaging students in the curriculum. The student end of the model is characterized by the knowledge, personal experience, degree of motivation, and level of interest that a student brings to a learning situation. (DDR)

Describes how teaching a lesson on the discovery of a crater in the Yucatan Peninsula and the rock strata deep in the ocean can help students explain the demise of dinosaurs. Discusses the impact theory and the core model. (DDR)

Presents the history of the theory of evolution and states that the creationist world view had been abandoned by even religious scientists before 1859. Argues that the public's perception of evolution could be improved by presenting a more complete picture of the theory's development, emphasizing the contributions of Christian--often…

Outlines an in-depth case study of teachers' use of image processing in biology, earth science, and physics classes in one high school science department. Explores issues surrounding technology implementation. Contains 21 references. (DDR)

Describes a summer program for teachers in the Hawaii Volcanoes National Park in which teachers share in hands-on activities that demonstrate volcanic processes including volcanic hazards, plate tectonics, and earthquakes. (DDR)

Presents an activity designed to show how water temperature affects evaporation, condensation, and the water cycle. Demonstrates how thermal energy can cause phase changes and motion. (Author/WRM)

Explores the natural forces that created the Colorado Plateau, examines a few of the myriad plants and animals inhabiting the six life zones on the plateau, and provides an overview of the challenges faced by land managers seeking to care for the plateau's extraordinary life and land forms. Contains 17 references. (WRM)

Describes the haze-monitoring program that was added to the protocols of the Global Learning and Observations to Benefit the Environment (GLOBE) Program. Finds that sun photometry provides a convenient means for allowing students to perform hands-on science while learning about various topics in history, electronics, algebra, statistics, graphing,…

Explores the effects of a Problem-based Computer-Assisted Instruction (PBCAI) on students' earth science achievement in Taiwan. One hundred and fifty-nine 10th grade students enrolled in four sections of a mandatory earth science course participated in this pretest- posttest control group experiment. A significant difference was found between the…

Provides an overview of five earth and space science CD-ROMs and their potential contribution to learning mathematics and science. The software are "Welcome to the Planets"; "GeoMedia 2, Interactive Multimedia CD-ROM on Global Environmental Change"; "Mars Educational Multimedia"; "Redshift Multimedia Astronomy"; and "Expert Astronomer."…

Explains an activity in which students study sedimentary rocks using an inquiry-based approach. Focuses on Content Standard D of the National Science Education Standards (NSES). (YDS)