Blast Off on a Mars Adventure
Have some fun figuring out what to take to Mars. The more useful the things you choose, the more points you get. Note: This game requires Flash.
http://spaceplace.jpl.nasa.gov/en/kids/mars_rocket2.shtml

Cybercenter: Explore the Planets
Help the Cybercenter's search team find information on the planets.
http://www.nasm.si.edu/education/cybercenter/planets/

Innovative Lives - Ellen Ochoa
Ellen Ochoa is not only an aerospace engineer, she's an astronaut too. Read about the many things she's done.
http://invention.smithsonian.org/centerpieces/ilives/lecture...

NASA: Team Gallery
Visit this site to read about some of the aerospace engineers who make NASA flights into space possible.
http://edspace.nasa.gov/careers/gallery.html

Smithsonian National Air and Space Museum
If you can't get to Washington, D.C. to visit the National Air and Space Museum, do the next best thing: visit online. Read about the museum's exhibits past and present by clicking Exhibits on the men...
http://www.nasm.si.edu/

Tinker Ball
How many different ways can you think of to help this ball reach its goal? Try it and see.
http://www.inventionatplay.org/playhouse_tinker.html