Activities and Quizzes on Science [ Kids/Teens ]  www.syvum.com/squizzes/science Activities, games, and quizzes on a variety of science topics. Wonderful study aid for children aged 9-13.

Adventures in Science and Technology [ Kids ]  epe.lac-bac.gc.ca/100/205/301/ic/cdc/science/english Introduces chemistry, physics, biology, engineering, and computer science. In English and French.

The Adventures of Echo the Bat [ Kids/Teens ]  science.hq.nasa.gov/kids/imagers/echohome.html 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.

Alaska Science Forum [ Teens/Mature Teens ]  www.gi.alaska.edu/ScienceForum Groups of articles on a wide array of topics, like volcanoes, geology, living in the North, bugs, weather, and pets. Lots of weird facts.

Ask Dr. Universe [ Kids ]  www.wsu.edu/DrUniverse All sorts of big and small questions are answered here, and include things that puzzle kids worldwide.

Athena, Earth and Space Science for K-12 [ Kids/Teens/Mature Teens ]  www.k12.wa.us/EdTech/Athena/index.html Illustrated descriptions and activities on Earth Science and Space. Includes links to related materials and suggested learning activities.

BBC Science & Nature [ Kids/Teens/Mature Teens ]  www.bbc.co.uk/sn Useful information about humans, animals, space and the planet we live on. Includes quizzes, picture galleries, games, and news stories.

Bill Nye the Science Guy [ Kids ]  billnye.com Check out the daily demo, watch a video clip or listen to an audio clips, and learn more about Bill Nye himself.

The Black Hole Gang [ Kids ]  www.blackholegang.com 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.

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

CAGIS - Canadian Association for Girls In Science [ Kids/Teens ]  publish.uwo.ca/~cagis Club for girls who get together with women scientists and do fun experiments. Site also has games and experiments to do at home.

Careers in Life Science Information for Students [ Mature Teens ]  www.the-aps.org/education/k-12misc/careers.htm Links to sites offering information about various science careers, mostly in the life sciences, but also including astronomy.

The Christopher Columbus Awards [ Teens ]  www.christophercolumbusawards.com 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.

Detecting the Truth: Fakes, Forgery and Trickery [ Kids/Teens/Mature Teens ]  www.collectionscanada.ca/forgery Explains why and how people have changed paintings, maps, books, and money throughout history, and shows the tools and techniques used to detect them.

Discovery Kids [ Kids/Teens ]  kids.discovery.com Delivers informative articles, online games, a chat room, online science games, live web cams, showcase of video clips, and a station guide.

Discovery School: A-to-Z Science [ Kids/Teens ]  school.discoveryeducation.com/students Offers homework help, articles, interactive activities, virtual tours, science fair ideas, and projects for kids.

Explain that Stuff [ Teens/Mature Teens ]  www.explainthatstuff.com Includes articles about science and technology, including space, computing, and nuclear power.

The Exploratorium [ Teens/Mature Teens ]  www.exploratorium.edu 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.

The Field Museum [ Kids/Teens/Mature Teens ]  www.fieldmuseum.org 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.

The Field Museum's Women in Science [ Teens/Mature Teens ]  www.fieldmuseum.org/exhibits/exhibit_sites/wis Contains thirteen interviews with women in different areas of science.

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

Funky Lab [ Kids/Teens ]  www.funkylab.co.uk Presents a mix of science information and activities, from toilets to steam engines. Includes quizzes, games, videos and articles on the science and the history of science.

Girls Reaching Out With Science [ Teens ]  capital2.capital.edu/orgs/GROWS Pairs middle school girls in Columbus, Ohio, with mentors at Capital University to study science.

History Of The Universe [ Kids/Teens ]  www.historyoftheuniverse.com A short history of the universe, earth, life, explained in simple terms. Begins with the big bang theory and ends with the computer age.

Hot Science Sites [ Teens/Mature Teens ]  www.csiro.au/resources/DIYScienceWeblinks.html A directory from the CSIRO Science club magazine covering a wide range of subjects.

How a Galileo Thermometer Works [ Kids/Teens/Mature Teens ]  www.howstuffworks.com/question663.htm Illustrated tutorial explains the operation of the Galileo thermometer.

How Stuff Works [ Kids/Teens/Mature Teens ]  www.howstuffworks.com Articles explain how hundreds of things work, from elements of the human body to space-age technology.

How Stuff Works Express [ Kids/Teens ]  express.howstuffworks.com Offers fun and informative articles about research and extraordinary people. Also includes information on hot sites, cool books, internet projects, and experiments. Includes teacher support materials.

Ingenious: Seeing Things Differently [ Teens/Mature Teens ]  www.ingenious.org.uk Find debates, photographs, and articles that create insights into science and culture. Offers the opportunity to personalize image collections, web galleries, and e-cards.

Interactive Science Crosswords [ Kids/Teens ]  www.vtaide.com/png/crosswords.htm Fill in the answers to the clues in the puzzles and learn about matter, physics, biology and environmental topics.

K-12 Science Jokes And Humor [ Teens/Mature Teens ]  www.juliantrubin.com/sciencejokes.html Jokes organized by topic, including biology, earth science, chemistry, Einstein, math, and physics.

Kaboom! [ Teens/Mature Teens ]  www.pbs.org/wgbh/nova/kaboom Talks about how fireworks work, the different elements used in fireworks and how buildings are imploded.

Kids and Science [ Kids/Teens ]  www.kidsandscience.com E-community for discovering science in main themes around us. Includes projects and facts, as well as games and fun.

Kid's Domain: Science Games [ Kids/Teens ]  resources.kaboose.com/games/science.html Features a large selection of animal, ecology, space, and dinosaur games.

Kids' Place: Science Library Adventures [ Kids ]  www.eduplace.com/kids/sla/index.html Online science adventures for kindergarten and elementary school students.

Kinetic City [ Kids ]  www.kineticcity.com A science radio show for kids, updated weekly. Keep up with the latest adventures of the Kinetic City Super Crew and do your own science experiments at home.

Magi Early Eastern Philosophers (And a Great Poet) [ Teens ]  www.perceptions.couk.com/magi.html Introduction to contributions by Al-Khwarismi, Al-Kindi, and Omar Khayyam in the fields of mathematics, astronomy, medicine, and optics. Period of time discussed is from around 680 AD to 1120 AD in the present day Middle East.

Museum of Science and Technology [ Kids/Teens/Mature Teens ]  www.most.org Offers online exhibits, games, research topics, and tips for kids.

National Science Foundation: News [ Kids/Teens/Mature Teens ]  www.nsf.gov/news/mmg A multimedia gallery covering hundreds of current scientific discoveries and observations.

Natural History Museum [ Kids/Teens ]  www.nhm.ac.uk/kids-only/fun-games/index.html Fun and games section that provides interactive scientific discovery experiments, such as building a volcano and taking a quiz about dinosaurs.

NIH Office of Science Education [ Kids/Teens/Mature Teens ]  science-education.nih.gov Life science education resources for students, teachers, and the general public.

Oakland Museum of California [ Teens/Mature Teens ]  www.museumca.org Museum specializes in the natural science, history and art of the Golden State. Contains current exhibitions, permanent galleries and projects.

OLogy [ Kids/Teens ]  www.amnh.org/ology Learn a lot about astronomy, paleontology, and the definitions of other "ologies" on this site by taking journeys through space and the Gobi Desert. Includes games and activities and is presented by the American Museum of Natural History.

Ontario Science Centre: Science Zone [ Kids/Teens/Mature Teens ]  www.ontariosciencecentre.ca/scizone Dozens of interactive science activities focus on topics ranging from the human body to computer science.

Paper Online [ Kids/Teens ]  www.paperonline.org/index.html Educational resource includes history of paper, discusses what paper is and has instructions to make your own paper.

The Paper Project [ Kids/Teens/Mature Teens ]  paperproject.org Learn about the simple process of making paper using plants or natural cloth. Page includes illustrations to show the method.

Patent and Trademark Office Kids' Page [ Kids/Teens ]  www.uspto.gov/go/kids Learn about inventions, inventors, patents and trademarks through games, contests, calendar, and stories. For all ages.

Playing With Time [ Kids/Teens/Mature Teens ]  www.playingwithtime.org Activities and movies that explore how things change over time. Also includes an overview of the museum exhibit at the Science Museum of Minnesota.

Propane on the Brain [ Kids ]  www.propaneonthebrain.com Experiments, games and safety tips for kids in grades K-8.

Questacon [ Kids/Teens/Mature Teens ]  www.questacon.edu.au The National Science and Technology Centre in Australia presents free games, quizzes and activities to explain science to children and teenagers. Includes fun experiments to try at home, as well as movies and pictures about current exhibitions.

Schoolscience National Curriculum Science [ Kids/Teens/Mature Teens ]  www.schoolscience.co.uk Written for teachers and students of National Curriculum science in the UK. Covers some biology, chemistry, and physics topics. Well illustrated. Includes some quizzes.

Science Inside Out [ Mature Teens ]  insideout.rigb.org News, information, quizzes and lecture notes from the Royal Institution, United Kingdom. Includes a list of events for schools.

Science Made Simple [ Kids/Teens ]  www.sciencemadesimple.com Kids get simple, detailed answers to common science questions. Plus great science projects and experiments, science news and interactive unit measurement conversions.

Science News for Kids [ Kids/Teens ]  www.sciencenewsforkids.com Experiments to do, articles to read, science fair projects, puzzles, and games.

A Science Odyssey [ Teens/Mature Teens ]  www.pbs.org/wgbh/aso Presents the people and the discoveries of 20th century science and technology in a variety of accessible, and interactive Web features. Based on the PBS television series.

Science World [ Kids ]  www.kbears.com/sciences Interactive world includes simple science fair projects, short biographies of inventors, an introduction to the planets, and a timeline that identifies important dates.

ScienceInTheBox [ Teens/Mature Teens ]  www.scienceinthebox.com About the science behind Procter and Gamble's laundry and cleaning products. Research and development, safety and sustainability issues.

ScienceZone [ Kids ]  www.acocksgreen.bham.sch.uk/sciencezone/science/ScienceZone.html Provides information, quizzes and other activities related to the U.K. science curriculum for 8-11 year olds.

Scientific Topics [ Teens/Mature Teens ]  www.hpwt.de/Starte.htm Contains tutorials covering physics, chemistry, sea battles, minerals, china, airplanes and philosophy.

Skytopia - World's Most Unanswered Science Project [ Teens/Mature Teens ]  www.skytopia.com/project/science/science.html Collection of science questions relating to physics, chemistry, sound, music, color and light.

Soap Bubbles: Exploratorium [ Kids/Teens ]  www.exploratorium.edu/ronh/bubbles/bubbles.html Explore the forces that mold bubbles, bubble recipes, books about bubbles and links to additional sites.

Strange Matter [ Kids/Teens ]  www.strangematterexhibit.com Explore the world of materials science. Investigate structure, properties, processing and performance to discover the secrets of everyday stuff.

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

Who Wants to Win a Million Dollars? - The Science Game [ Kids/Teens/Mature Teens ]  education.jlab.org/million 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.

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

Wonderville [ Kids ]  www.wonderville.ca Zoom around this 3D city playing games and learning about science.

The World of Agnes Pflumm [ Teens ]  www.agnespflumm.com 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.

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

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