This poster depicts the Galaxy at radio, infrared, optical, x-ray, and gamma-ray wavelengths. Captions describe the Milky Way and what can be learned about the Galaxy from measurements made in each segment of the electromagnetic spectrum. Full description.

This poster, first printed around 1998, focuses on the topic of space weather. The front gives overview images and the back tells the story of Sun-Earth connections with additional images. It also contains an educational activity. Full description.

An interactive slide show explores the journey of a single snowflake onto and through a glacier. This journey, which can take as much as 30,000 years to complete, shows that the life cycle of a glacier can be more complex than originally perceived. Full description.

This resource contains sections about aquatic ecosystems, groundwater, lakes, permafrost, properties of water, rivers, sediment, Canadian snowfall and glaciers, water and climate change, and wetlands. There are tables of the largest lakes and rivers in the world and typical river flows of Canadian rivers; illustrations of the hydrologic cycle, aquifers and wells; and descriptions of toxic chemicals ... Full description.

This report discusses how natural processes and human activities affect the interactions of ground water and surface water, and the importance of considering ground water and surface water as a single resource. Topics include natural processes of ground- and surface-water interaction; chemical interactions; and the effect of landscapes on these interactions. There is also discussion of the effects ... Full description.

Students can learn about the plants, animals, climatic conditions, and geographic locations that constitute the various biomes and ecosystems of the world. Full description.

Along with information about NASA-s Sun-Earth education program, this brochure is a scale model of the Sun-Earth system. A small image of the Earth can be detached from the brochure. Simple directions explain the distances between the Sun and the Earth. Full description.

This poster with classroom activities is related to NASA-s Space Interferometry Mission. It introduces measurement and scale using hands-on activities. Full description.

The Helix Nebula lithograph is one in a series designed to bring the latest Hubble images into the classroom. In the activity, In Search of ... Planetary Nebulae, students use the image to formulate questions about how Sun-like stars end their lives and conduct research to answer their questions. Full description.

This collection of nine cards focuses on the three types of galaxies: spiral, elliptical, and irregular. Each card displays a color image of a galaxy on one side and describes the galaxy's type, its location within a constellation, and interesting facts on the other side. The Hubble Space Telescope card includes interesting facts, as well as suggestions for using the cards. Full description.