IYA Discovery Guides  read more »

The Imagine the Universe site includes educational resources for astrophysics topics:  read more »

Chandra offers investigations, activities, teacher's guides and answer keys, performance tasks, and demonstrations on the topics of: the Chandra X-Ray Observatory, stellar evolution, and the EM spectr  read more »

Students explore how a stellar occultation occurs, how planetary atmospheres can be discovered, and how planetary diameters can be determined using actual light curves from stellar occultation events.  read more »

The Educational Materials section of NASA's Web site offers classroom activities, educator guides, posters and other types of resources that are available for use in the classroom.  read more »

Paper Plate Education: "Serving the Universe on a Paper Plate"  read more »

This is the fifth in a series of posters and information/activity booklets produced in conjunction with the Imagine the Universe website. Covers topics in astronomy, physics, and chemistry.  read more »

A unit with six lessons for grades 6-12 that develops the understanding that visible light is composed of a full range of colors, that extends the concept of a spectrum to include non-visible light (i  read more »

Project ASTRO™ is a national program that improves the teaching of astronomy and physical science by linking professional and amateur astronomers with local educators.  read more »

In recent years, learning more about the Sun and its effects on Earth has become a critical research priority.  read more »