Presents activities for observing, measuring, collecting, and graphing data about times of sunrise and sunset to teach an understanding about arrival of Daylight Savings Time in April. Also discusses seasonal affective disorder (SAD). (TM)

Leeuwenhoek's demonstration proving the Earth's rotation, which leads to some significant errors in reasoning, can be reproduced from this article and used to provide an interesting discussion in undergraduate astronomy and physics courses or clubs. (LZ)

Describes activities that take advantage of heavy snowfalls to study numerous geological concepts including sedimentation, precipitation, morphology and metamorphosis of crystals, compaction and cementation, fossilization, and erosion. (JRH)

Discusses the high school framework and standards developed by the National Science Teachers Association in the subjects of physics, chemistry, biology, and earth and space sciences. (MKR)

Describes and attempts to explain the sporadic devastating effects of the Northridge (California) Earthquake of January 17, 1994, as being the result of constructive interference from P and S earthquake waves. (MVL)

Discusses activities to investigate rock art in science courses. (MKR)

Describes the great variety of observations surrounding the auroras (both borealis and australis), and provides photographs from the space shuttle, Discovery. Discusses where and when the auroras can be observed, the process that the Earth's magnetic phenomena fulfill in how and why auroras appear, and the effects of solar wind upon auroras. (JJK)

Describes field trips to urban locations for geological instruction. The program was developed by the Cleveland Museum of Natural History. Authors claim these field trips have been an effective and enjoyable way of conveying a wide variety of geological information to participants at all levels and backgrounds and have created favorable publicity.…

Presents three activities that uses three dimensional models to help teach geologic concepts such as geologic land forms and rock strata. (ZWH)

Discusses the educational implications of Geographic Information Systems, a technology that provides ready access to an array of geographical data. (PR)

Gold's physical and chemical properties are without equal for use in high-tech fields such as medicine, space, architecture, and electronics. This article, with an accompanying poster on gold, contains the following sections: Lore and Legends; Matter, Metals, and Minerals; The Origins of Gold; Mining and Recovery; Cultural Crossroads; Modern…

Details the summer workshop experiences of a participant in the EPIcenter (Earth Processes Information Center for Teachers) Project. Describes the impact of the experience on the professional practices of the classroom teacher. (DDR)

Details the summer workshop experiences of a participant in the EPIcenter (Earth Processes Information Center for Teachers). Describes the impact of the experience on the professional practices of the classroom teacher. (DDR)

Presents an activity that employs movement to enable students to understand concepts related to plate tectonics. Argues that movement brings topics to life in a concrete way and helps children retain knowledge. (DDR)

Examines children's (n=306) drawings of a river basin to determine their understanding of scientific concepts related to the water cycle. Presents exemplars of five levels of understanding and analysis of the drawings' orientation and content. Contains 24 references. (Author/WRM)