| San Francisco Symphony for Kids | All Subjects | Elementary | Assistive Technology; Listening; Music | Instruments of the Orchestra, the music lab and what's up at the symphony. a site with interactive sounds and web parts. |
| Saskatchewan Science Centre | Physical Education; Science | All Grade Levels | Activities, Games and Worksheets; Agriculture; Air and Aerodynamics; Animals, Fish and Insects (Wildlife); Astronomy and Space; Biology; Environment and Weather; Geology; History; Museums; Sports and Athletics | The mission of the Saskatchewan Science Centre is to ignite scientific curiousity and innovation in Saskatchewan communities through interactive, dynamic and engaging opportunities. |
| Scholastic Online Activities and Interactive Learning for Students in Grades PreK-12 | Aboriginal Studies; Early Childhood Services (ECS) - Grade 3; English as a Second Language; English Language Arts; Mathematics; Science; Social Studies | All Grade Levels | Activities, Games and Worksheets; Air and Aerodynamics; Animals, Fish and Insects (Wildlife); Assistive Technology; Biology; Chemistry; Citizenship and Identity; Culture and Heritage; Curriculum; Environment and Weather; Forestry and Nature; Geography and Maps; History; Literature; Number Concepts; Poetry; Reading; Speaking; Writing | Student Activities and Teaching Resources for all grade levels on the four core subjects |
| Science Alberta | Science | Elementary; Middle School | Activities, Games and Worksheets; Animals, Fish and Insects (Wildlife); Assistive Technology; Biology; Building and Structures; Environment and Weather | Science Alberta Foundation collaborates with educators, parents, community leaders and scientists to develop programs, such as Science-In-A-Crate and Festivals of Science that showcase the importance science plays in our everyday lives.
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| Science Junction | Science | All Grade Levels | Activities, Games and Worksheets; Animals, Fish and Insects (Wildlife); Astronomy and Space; Chemistry; Ecosystems; Geology; Physics | "A cyber-community for teachers, students and researchers of science."
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| Science Museum London | Science | All Grade Levels | Art; Astronomy and Space; Automotives and Mechanics; Biology; Chemistry; Computers; Environment and Weather; History; Museums; Physics | Our collections form an enduring record of scientific, technological and medical change since the eighteenth century.
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| Science Toy Maker | Science | Elementary; Middle School | Activities, Games and Worksheets; Assistive Technology; Building and Structures | This non-commercial site features projects that use easily-available, inexpensive materials, and don't require special skills, tools materials or facilities. Activities are thoroughly tested to work, yet also have the potential to be improved by creative inventors and tinkerers |
| Science U | Mathematics; Science | All Grade Levels | Activities, Games and Worksheets; Astronomy and Space; Number Concepts | Interactive math, with engaging exhibits using computer graphics to explain how triangle tilings and symmetry combine to produce polyhedra. Informative articles about astronomy, and use the Science U virtual telescope to generate stunning pictures of any part of the sky or solar system. |
| Science World British Columbia | Science | All Grade Levels | Activities, Games and Worksheets; Air and Aerodynamics; Astronomy and Space; Biology; Building and Structures; Chemistry; Ecosystems; Environment and Weather; Forestry and Nature; Geography and Maps; Geology; Physics | Science World British Columbia is a non-profit organization which engages British Columbians in science and inspires future science and technology leadership throughout our province.
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| SciQ – Explorations in Science | Science | All Grade Levels | Air and Aerodynamics; Astronomy and Space; Physics | Welcome to Explorations in Science with Dr. Michio Kaku Theoretical Physicist, Professor, Bestselling Author, Popularizer of Science
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| SETI@Home | Science | Middle School; High School | Astronomy and Space | SETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data |
| Shedd Educational Adventures (SEA) | Science | All Grade Levels | Activities, Games and Worksheets; Animals, Fish and Insects (Wildlife) | Shedd Educational Adventures (SEA) contains a treasure trove of aquatic science resources for K-12 teachers and students. SEA brings the Philippines to life for your students with fact sheets and multimedia interactives based on the Wild Reef exhibit at Shedd Aquarium.
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| Smithonian National Air and Space Museum | Science; Social Studies | All Grade Levels | Activities, Games and Worksheets; Air and Aerodynamics; Assistive Technology; Astronomy and Space; Automotives and Mechanics; Forestry and Nature; Geology; History; Museums; Physics | The Smithsonian Institution's National Air and Space Museum maintains the largest collection of historic air and spacecraft in the world. It is also a vital center for research into the history, science, and technology of aviation and space flight, as well as planetary science and terrestrial geology and geophysics.
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| Smithsonian Institution | Aboriginal Studies; Career and Technology Studies; Fine Arts; Science; Social Sciences | All Grade Levels | Air and Aerodynamics; Animals, Fish and Insects (Wildlife); Art; Astronomy and Space; Building and Structures; Culture and Heritage; Geology; History; Museums; Political Science | Welcome to the Smithsonian Institution, the world's largest museum complex and research organization composed of 19 museums, 9 research centers, and the National Zoo. |
| Solubility Rules | Science | Middle School; High School | Chemistry | |
| SOS Math | Mathematics | Middle School; High School | Activities, Games and Worksheets; Algebra; Number Concepts | This site contains: Hundreds of lessons of math skills, ranging from the very basic up to factoring, logs, trig, matrix operations and calculus |
| Soungle | Fine Arts; Science | Elementary | Activities, Games and Worksheets; Music | Free searchable database of hundreds of downloadable special effects and musical instrument samples. |
| Space.com | Science | Grade 3; Grade 4; Grade 5; Middle School | Activities, Games and Worksheets; Astronomy and Space | Tonnes of current information on all aspects of space. |
| Spaceflight Now | Science | Grade 3; Grade 4; Grade 5; Middle School | Air and Aerodynamics; Astronomy and Space | This is where you go for news of Shuttle launches, the International Space Station and more!
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| SparkNotes - Titrations | Science | Middle School; High School | Chemistry | |
| Star Gazer | Science | All Grade Levels | Astronomy and Space | "Star Gazer" is the world's only weekly television series on naked eye astronomy. Each weekly episode features selected objects for naked eye viewing for the following week. There are two versions of "Star Gazer", one 5 minutes long and the other 1 minute long. |
| Statistics Canada - Student and Teacher Resource | All Subjects | All Grade Levels | Activities, Games and Worksheets; General Information; Statistics | The official source for Canadian social and economic statistics. |
| Stellarium | Science | Grade 3; Grade 4; Grade 5; Middle School | Activities, Games and Worksheets; Astronomy and Space | Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
It is being used in planetarium projectors. Just set your coordinates and go. |
| Stoichiometry | Science | Middle School; High School | Chemistry | Stoichiometry is simply the math behind chemistry. Given enough information, one can use stoichiometry to calculate masses, moles, and percents within a chemical equation.
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| Strange Science | Science | Middle School; High School | Biology; History | Ever wonder how people figured out there used to be such things as dinosaurs? Curious about how scientists learned to reconstruct fossil skeletons? The knowledge we take for granted today was slow in coming, and along the way, scientists and scholars had some weird ideas. This Web site shows some of their mistakes, provides a timeline of events, gives biographies of a few of the people who have gotten us where we are today, and lists resources you can use to learn more.
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| Study Skills Self Help Information | All Subjects | Middle School; High School | Activities, Games and Worksheets; Assessment | Tips to studying, concentrating and note taking. |
| Surfing Scientist | Science | All Grade Levels | Activities, Games and Worksheets; Animals, Fish and Insects (Wildlife); Physics | Excellent science demonstrations with easy to follow lesson plans with printable resources. |