This bookmark provides basic information about the importance of ground truth measurements for investigative science and the formation of clouds. It also provides information about an opportunity for students to participate in a real-time collaborative scientific experiment with NASA scientists: the Student Cloud Observations On Line (S'COOL) project. S?COOL is a component of NASA's Clouds and the ... Full description.

This lithograph contains a Hubble Space Telescope image that shows the colorful Planetary Nebula NGC 2440 with one of the hottest known white dwarfs at its center. The text briefly explains the process of stellar death of sun-like stars and those with a mass greater than eight times the Sun. The accompanying classroom activity is a curriculum support tool designed for use as an introductory inquiry ... Full description.

This poster provides a brief mission profile, bios of the people behind the mission and an activity built around the Maunder Minimum Mystery. Completion of the activity will allow students to see how a theory develops from inception through various studies where supporting evidence is found and how current technology might be used in supporting the theory. Full description.

This poster outlines the major mission highlights of the Interstellar Boundary Explorer (IBEX) mission, a Small Explorer Earth-orbiting spacecraft that is designed to map the distant boundary between the solar wind from our Sun and the interstellar medium. The poster aims to answer the following questions: ? What is IBEX and what is it exploring? ? How does IBEX explore the boundary of our Solar System? ... Full description.

This comic book explains the science of the upper atmosphere, and how the layer known as the ionosphere affects communication and navigation here on Earth. The story features Cindi, an android space-girl and her pet robot dogs, TEKS and TAKS. Her teenage research assistant Roberto receives her data here on Earth. Imaginary space dogs begin the tale of atoms in the upper atmosphere, both ions and neutrals, ... Full description.

This book cover relates the role the Great Dismal Swamp, NC, plays in the food chain. Full description.

In this Web-based, interactive story, Tutangiaq (Too-tang-geye-ack - nicknamed 2T), a Canada Goose, flies across Alaska looking for his family. As he flies, he tells students about the 49th state. Students learn several facts about the state, including how Alaska was purchased from the Russians,. They can also compare the size of Alaska to other states. 2T takes a flight across the volcanic chain ... Full description.

The Gulf of Maine Aquarium hosts this two-part activity. The focus is on seasonal changes in the mass balance of the Antarctic Ice Sheet. Part 1 uses an atlas and satellite imagery to examine the geography of the region and the changing boundaries of the ice sheet. Part 2 tracks annual changes in sea ice. There is an animation page showing changes in ice cover around Antarctica during 1991, and links ... Full description.

For ecologists, the horseshoe crab is an important creature- a vastly adaptable organism that predates most species on the planet, with a lifecyle that is interlocked with other animals. Users can view information, photographs, and diagrams that explain the anatomy, range and habitat, lifecycle, ecological niche, reproductive cycle, and medical uses of the horseshoe crab. Full description.

Users can choose to download or order six posters that depict water-resources topics and are drawn in a cartoon format. Written narrative on the back elaborates on the topic of each poster. They are available in color, or in black-and-white for coloring. Full description.