Jason Project: Be a Spacecraft Engineer - Challenges you to design a spacecraft to protect the International Space Station. - http://stardust.jpl.nasa.gov/classroom/jason/
The Children's Museum of Indianapolis: Cosmic Quest - Interactive space station design game with facts on requirements such as food, air and power. Includes information on the solar system and a description of an expedition to the North Magnetic Pole. - http://www.childrensmuseum.org/cosmicquest/index.html
Design a Satellite - Play the game and learn how satellites are launched, how they get their power, and how they help you watch your favorite television show. - http://www.eduweb.com/portfolio/designsatellite/
Sea and Sky: Travelport Entrance - Fun and informative site for kids of all ages. Games, resources, galleries, and latest developments in exploration of sea and sky. Lots of great graphics. - http://www.seasky.org/
NASA Qwhiz - Qwhiz is a real-time, multi-player web game for kids and teachers. Read some material on the Internet, then answer questions about it. - http://prime.jsc.nasa.gov/Qwhiz/
Build a Newtonian Physics Machine - If you build it carefully, this Newtonian Physics Machine device demonstrates one of the basic laws of nature. - http://spaceplace.jpl.nasa.gov/en/kids/funphysics.shtml
Who's Out There? Searching for Extraterrestrial Intelligence - Game that explores tools and knowledge required to design a research project to search for extraterrestrial intelligence, then tests your skills at searching for alien signals. - http://www.kintera.org/site/pp.asp?c=foJTIYOwEoH&b=186082
Cassini Kid's Page - Spacecraft Cassini is on its way to Saturn. Download the parts and instructions to build a paper model of the Cassini space probe. Find Saturn in the sky and discover more about this exciting adventure in space. - http://saturn.jpl.nasa.gov/kids/
Building an Inexpensive Galilean Style Telescope - Students at Rice University explain how they re-created the telescope that Galileo used to make the first ever magnified views of the stars and planets... and all for less than 30 dollars. - http://galileo.rice.edu/lib/student_work/astronomy95/telescope_design.html
NASA for Kids - Has games, stories and activities about space and aeronautics. - http://www.nasa.gov/audience/forkids/home/
Walk the Solar System - JavaScript calculator of sizes and distances of solar system bodies for making a scale model. - http://www.exploratorium.edu/ronh/solar_system/
Mars: Just For Kids - An official NASA site with games and activities for kids interested in interplanetary travel - especially to Mars. - http://mars.jpl.nasa.gov/kids/
Powers of 10 - Discover the relative size of everything in the universe. Beginning with a 1 metre square, each successive page jumps back 10 times until you are a billion light years away. Lots of good activities and information. Based on the Eames film of the same name - http://www.powersof10.com/
Satellite Tracking and Prediction - See the space station, the space shuttle and many other satellites from your back yard. - http://www.heavens-above.com/
Project Starshine - Your school can help to build a satellite which will be launched from the Space Shuttle. You can track the Starshine satellites from your back yard. - http://www.azinet.com/starshine
Understanding the Universe - Discovery Channel School - Discover the incredible size and history of the universe through interactive gaming. Learn about important people who taught us about space, and tour some distant galaxies. - http://school.discovery.com/schooladventures/universe/
StarChild: A Learning Center for Young Astronomers - Offers an interactive gaming and entertainment center for kids who wish to learn more about the solar system, the universe, and space. - http://starchild.gsfc.nasa.gov/docs/StarChild/StarChild.html
Eyes on the Sky, Feet on the Ground - This collection of children's online astronomy activities, is a product of the Smithsonian Astrophysical Observatory. Designed for grades 2 to 6, it contains hundreds of fun explorations into astronomy as a classroom tool for learning how to theorize, exp - http://hea-www.harvard.edu/ECT/the_book/index.html
Amazing Space - Collection of web-based activities designed for classroom use, but made available for everyone to enjoy. - http://amazing-space.stsci.edu/
Arty the Part Time Astronaut - An interactive adventure for young astronomers guiding Arty and his alien friend Greg through our solar system. - http://www.artyastro.com/