In this National Geographic Xpedition lesson, students learn about ocean waves. They begin by learning the components of a wave, and then discuss the meaning of wave height and wavelength. A demonstration sparks discussion about how to make waves, and an activity with the National Geographic Wave Simulator allows students to experiment with creating waves of varying sizes. Full description.

In this article, The Why Files examines the possible finding of water ice on our Moon, and the implications for this discovery. The article discusses why scientists believe there is water on the Moon, how a neutron spectrometer picks up the unusual presence of hydrogen on the Moon which could indicate water, what scientists hope to use this water for, and where this water may have come from. A moon ... Full description.

The information on this site indicates that the life cycle of a glacier is more eventful than it appears. The site allows students to follow the journey of a single snowflake as it takes a ride through a glacier, a process that can take as much as 30,000 years to complete. It can be viewed as an interactive slide show or a single page of text and illustrations. Full description.

In this activity, students build an edible aquifer using ice cream, food coloring, and other ingredients to represent the various layers. They will learn about groundwater, water tables, confining layers, contamination, and recharge. A link to a glossary of groundwater terms is provided. Full description.

This is a hands-on demonstration of the communication path between the Extreme Ultraviolet Explorer (EUVE) satellite and a scientist on Earth, where students play the parts of various satellites, ground stations, and science centers. The module includes a Java applet animation of the Satellite data flow and background information on the various communication links. The purpose of this lesson plan ... Full description.

This activity explores the potential impact of climate variability and change on one of Earth's increasingly vulnerable resources, forests. Although the activity is designed to tap specific skills and knowledge through scientific inquiry, its broader intent is to stimulate thought about the long-term impacts of a warmer planet. The scenario invites students to examine higher level issues of climate ... Full description.

This Web site contains a 22 lessons that focus on studying the biosphere from space to teach students about the Earth system. Full description.

This educators guide uses NASA's mission to Saturn (Cassini-Huygens) to provide a real-world context for learning fundamental, standards-based concepts in science. It includes six constructivist lessons, FAQ, and a variety of connections to art, literature, and mythology. Full description.

This lithograph set contains images with information about: Our Solar System, the Sun, Mercury, Venus, Earth, Moon, Mars, Asteroids, Jupiter, Moons of Jupiter, Saturn, Uranus, Neptune, Pluto and Charon, and Comets. Full description.

This is a Flash-based interactive tool kit. It allows users to watch real-time NASA satellite images of the Sun and Earth. A thumbnail viewer lets them explore and compare solar and terrestrial data from a variety of NASA missions and ground-based observatories. In addition, the viewer contains video interviews with scientists and other experts. Computer-generated visualizations and additional NASA ... Full description.