This web page from the Exploratorium presents a hands-on activity for safely observing a solar eclipse with a pinhole viewer. The project uses everyday supplies: long box, a piece of aluminum foil, a pin, and a sheet of...

This presentation activity from the Advanced Technology Environmental and Energy Center (ATEEC) Sustainable Energy Education & Training (SEET) will help instructors looking to provide an introduction to photovoltaics for...

This site contains a series of visualizations of the sun, moon and Earth System and how they relate to the changing face of the moon. Animations are in the form of Java applets, forms for field observation of the moon,...

This website provides observational information about the visible planets, our moon and other moons, the sun, and other celestial objects. Monthly star maps and animations that show celestial motions are provided. The...

This site, provided by the Center for Science Education at the University of California Berkeley, contains an activity to experiment with shadows and light sources and to understand the relationship between the angle of...