Understanding the relationships between soil, landscape, and hydrology is important for making sustainable land management decisions. In this study, scientific visualization was explored as a means to visually represent the complex spatial and temporal variations in the hydrologic status of soils. Soil hydrology data was collected at seven…

The purposes of this study were to determine the impact of a professional development program on the confidence levels and classroom practices of the participants and their attitudes toward the environment. The program had immersed teachers in a watershed study that took them from the headwaters of a 310-mile river to its confluence with the Ohio…

This study explores whether the development of students' understanding of matter as something that occupies space and has weight involves conceptual change and restructuring rather than only simple belief revision. Based on an analysis of how the concepts in students' initial matter theory (henceforth MT1) may differ from the concepts in the…

Because of the educational importance of mathematics and science, IEA's (International Association for the Evaluation of Educational Achievement) Trends in International Mathematics and Science Study, widely known as TIMSS, is dedicated to providing countries with information to improve teaching and learning in these curriculum areas. Conducted…

Educational researchers have suggested that the tension between the learner-centred and teacher-centred pedagogies represents a real classroom issue that influences teaching and learning. This issue may be particularly significant in East-Asian countries such as Taiwan due to some cultural influences. For example, teacher authority is highly…

These materials have been designed for use with the upper elementary through high school levels especially, but not exclusively, with the Lunar Sample Disk. This book contains: information on the Lunar Sample Disk, a curriculum content matrix, a teacher's guide, Moon ABCs fact sheet, rock ABCs fact sheet, Progress in Lunar Science chart, 17…

Data from various remote sensing systems require a cataloging system for information storage and retrieval to meet the needs of earth scientists. (LS)

Describes the experiment in this issue of printing transcripts of tape recordings made at the Fifth Lunar Science Conference as a method of improved reporting of the large conference. (BR)

Reports highlights of the April, 1973 meeting of the U.S. National Committee for Geochemistry. Some of the topics reported on were: The Geophysics Research Board, deep drilling, exchange of geochemists with China and the activities of the Subcommittee on Geochemical Environment in Relation to Health and Disease. (BR)

Presents a brief discussion of lightning and its causes; makes the point that lightning kills more individuals than do the more-widely publicized tornadoes. (PB)

This booklet, for children, gives safety tips for electrical storms. In addition, it explains the causes of lightning and lists some activities related to lightning and static electricity. (BB)

This document provides detailed information on the atmosphere and weather of Venus. This pamphlet describes the technological hardware including the probes that enter the Venusian atmosphere, the orbiter and the launch vehicle. Information is provided in lay terms on the mission profile, including details of events from launch to mission end. The…

This report summarizes the findings of one of fourteen panels that studied progress in space science applications and defined user needs potentially capable of being met by space-system applications. The study was requested by the National Aeronautics and Space Administration (NASA) and was conducted by the Space Applications Board. The panels…

Presented is background knowlege of the institutions of the world involved in mineral industry education and research, including detailed information on the professional staff, research activities, and capabilities of the various mineral industry departments of these institutions. Also included is information on special interest within a…