This USGS site contains graphs, tables, and charts for the following ground water topics: What is ground water, ground water flow diagrams, importance of groundwater, and trends in ground-water use. Ground water quality, pesticides, aquifers, waterwells, artesian wells, sinkholes, and land subsidence are also covered. There are a variety of links within all of the above topics and a very complete ... Full description.

This site focuses on children's water education and activities, offering several opportunities to investigate various topics about water use, treatment, and conservation. The site emphasizes New Jersey water issues however, the concepts are broad enough to extend to all states. There are handouts and visuals on fun facts about water, the water cycle, and the process of water treatment and distribution. ... Full description.

This modular activity traces the history of telescope development and highlights the interplay between technological and scientific advances. Milestones in telescope development are highlighted in the ten sections called ?eras,? with specific examples included in the associated ?telescope pages.? The human component is highlighted in the biography pages that provide a glimpse of the inventors and ... Full description.

This resource covers basic astronomy, Newtonian mechanics, the Sun and related topics (weather, electromagnetic waves, nuclear energy), and space flight. The material stresses space applications, history, and intuitive content, and includes a brief refresher course on algebra and trigonometry. It is also available in Spanish. Full description.

This CD-ROM provides a detailed overview of the NASA CloudSat satellite, its mission, personnel, other satellites in the "A-Train," science and technology behind the mission, launch information, and program partners. It also contains educational activities, artwork, references and a glossary, as well as links to further information. Included are video clips of CloudSat scientists and other mission ... Full description.

This description of the El Nino pattern in the eastern Pacific is from NASA's Earth Science Enterprise. In addition to text and diagrams, it provides three weather related activities for lab or classroom. Full description.

Elementary GLOBE is designed to introduce students of grades K-4 to the study of Earth System Science (ESS). Elementary GLOBE forms an instructional unit comprised of five modules that address ESS and interrelated subjects including weather, hydrology, phenology, and soils. Each Elementary GLOBE module contains a science-based storybook and classroom learning activities. Five (5) books are included ... Full description.

A learning activity for the Scoop on Soils book in the Elementary GLOBE Series. Each student will make predictions about the properties of various soil samples. Then they will examine several types of soils and record their observations. Next, they will learn about soil profiles and horizons by both examining a soil sample in a jar and by creating a soil profile flip chart. The purpose of the activity ... Full description.

A learning activity for the Scoop on Soils book in the Elementary GLOBE Series. Students will make predictions about what they think they will find in a sample of soil. They will investigate the sample and sort out the various items they find. Next they will spend time outside observing one or more sites to see what they find in the soil. After recording and sharing their observations they will create ... Full description.

A learning activity for the Scoop on Soils book in the Elementary GLOBE Series. Each student will explore three activities that promote understanding of and respect for soil. They will generate responses to the following questions: "What makes up soil?" and "What lives in the soil?" Next the students will watch a demonstration of how much soil there is on Earth that is available for human use. Last ... Full description.