Google Sky: browse the universe, locate planets and constellations in the sky, zoom in to distant galaxies and nebulae.
Hands-On Solar Activities: the YPOP Solar Classroom is filled with hands-on, solar related activities.
Exploratorium: discover your weight and age on other planets!
Backyard astronomy has resources for people ready to set up their own telescope.
Computer games are the fun way to learn about stars, asteroids, galaxies, and more!
Amateur Astronomy at Home has links to a range of introductory astronomy sites.
NASA Links
NASA Climate Kids demystifies the “Big Questions” about global climate change using 4-6th-grade-level language, colorful illustrations, humor, interactivity, and games.
SciJinks Weather Laboratory targets middle-schoolers. It explains the reasons for the seasons, the tides, and other weather and Earth science mysteries in colorful “Now I get it!” pages.
SunTrek: take a journey into space and find out more about the Sun and its effect on the Earth.