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Students in Junior High and High School can brush up on math concepts and take quizzes to test their skills. You can also practice for the math sections of the ACT, PSAT/NMSQT, and SAT tests and the AP Calculus test.
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Find reliable information on a variety of science and math topics
Collection of science experiments.
Search for journal articles, current news and primary sources pertaining to the sciences.
Search the Science Subject Reference Collection of quality reference titles
Get help in many general math areas. The site has a "fill-in-the-blank" problem solver for step by step solutions of the math problem you're working on.
Earth and Space science information in beginner, intermediate, and advanced formats.
Super Science Fair information, including experiments and presentations from Discovery School
Browse lessons and other math helps which focus on algebra concepts and elementary trigonometry. Get help with story problems, try worksheets, lessons and tutorials, or search for help.
Find fun games and lessons that teach skills from pre-algebra to calculus. Includes a math dictionary, math survival skills, puzzles, games, geometric art and more.