The Adventures of Echo the Bat [ Kids/Teens ] - Follow Echo the Bat through the eyes of a satellite as he migrates through Arizona. Topics include false color satellite imagery, how scientist use these images to study habitats, and the electromagnetic spectrum. Interactive adventure game and activities for the classroom. http://www.echothebat.com/echohome.html

The Black Hole Gang [ Kids ] - Learn about the science adventures of Matt, Wei Ling, Rosa, A.J., and Newton. Designed as a resource for kid-friendly science on the web. http://www.blackholegang.com/

The Bubblesphere [ Kids ] - All about soap bubbles. Bubble blowing, solutions, history, fun, Java games, bubble machines and trivia. http://bubbles.org/

The Christopher Columbus Awards [ Teens ] - Competition open to students in grades 6, 7 and 8. Three or four students work as a team to identify a problem in their community, research it, and use science to develop an innovative solution. http://www.christophercolumbusawards.com/

The Exploratorium [ Teens/Mature Teens ] - A hands-on museum of science, art, and human perception in San Francisco. Site provides interactive online exhibits and exhibitions, activities, science news, and publications, general information about the museum. http://www.exploratorium.edu

The Field Museum [ Kids/Teens/Mature Teens ] - Maintains exhibits and conducts research for old and new biological specimens, ancient cultural artifacts and geology. Page includes photos of exhibits, interactive map of expeditions, educational programs, and history of the facility. Located in Chicago, IL, USA. http://www.fieldmuseum.org/

The Flying Turtle [ Kids/Teens ] - Illustrated site celebrates and explains the basic scientific principles that govern both nature and human technology. http://www.flyingturtle.org/

The Paper Project [ Kids ] - Microscopic exploration of hand made and mold made paper. http://ls.la.asu.edu/paperproject/

The Why Files [ Kids/Teens ] - Explores the science behind the news such as why planes crash, how new diseases break out, and why athletes shouldn't use drugs. http://whyfiles.org/

The World of Agnes Pflumm [ Teens ] - Official site for the Agnes Pflumm science education novels. Includes lesson plans, science project help, integrating science and art, links science and literature, and book information. Also includes tips for kids about time management. http://www.agnespflumm.com/

The Yuckiest Site on the Internet [ Kids ] - Educational science entertainment about yucky things such as worms. Club Yucky, games, and recipes. http://yucky.kids.discovery.com/

Thursday's Classroom [ Kids/Teens/Mature Teens ] - News, research, lesson plans and educational activities from NASA. http://www.thursdaysclassroom.com/

TryScience.org [ Kids/Teens ] - Features virtual field trips, virtual experiments and other interactive activities supplied by science centers around the world. http://www.tryscience.org/

Who Wants to Win a Million Dollars? - The Science Game [ Kids/Teens/Mature Teens ] - Test your knowledge of math and science as you work your way to the million dollar level. Although the questions are real, the money, unfortunately, is not. http://education.jlab.org/million/

X-Ray for Kids [ Kids ] - Information geared to children about x-rays and interesting x-rays of plants, shells, animals. http://www.uhrad.com/kids.htm

YES Magazine [ Kids/Teens ] - Canadian science magazine for kids. Sections include: projects to do, kids in science and how things work. http://www.yesmag.bc.ca/homepage.html