Homework Topics

Math Abacus.

  • American Mathematical Society — Information for High School Students
    Find out about math competitions and contests, math clubs and events, and careers in math fields. AMS also offers links to websites that can help students learn and practice math concepts.

  • Euclid's Elements

  • HomeschoolMath — Online Resources
    Links to games and interactive tutorials to help students understand math concepts . Also includes links to homework help sites.

  • IXL
    This site offers numbers and math skills practice for students in pre-K through 8th grade and for students taking Algebra I, II and Geometry. If you answer a question incorrectly, IXL explains how to solve the problem. You can also practice math skills according to state standards such as Virginia's Standards of Learning. Students may try up to 20 free practice questions per day (unless you buy a membership).

  • Khan Academy
    Hundreds of math videos explaining topics such as basic math, algebra, geometry and calculus.

  • Math in Daily Life
    Explore how math can help you in daily activities such as cooking, playing games and decorating your home.

  • Math is Fun
    Covers a range of math topics such as basic numbers for pre-K students to calculus for high school students and explains the concepts in an understandable way. Includes a math dictionary and games.

  • National Library of Virtual Manipulatives
    Students can play Web-based games to practice math concepts. Activities are designed for students in grades K-12 and are grouped by grade level and subject. The site is sponsored by the National Science Foundation and requires a Java-enabled Web browser.

  • NumberNut
    Covers math principles from grades K-7 with fun practice activities.

  • Weights and Measures

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Science lab equipment.

Good Starting Points, Anatomy, Animals & Biology, Astronomy & Space Exploration, Botany, Chemistry, Environment & Ecology, Geology, Physics, Science Projects, Weather

  • Good Starting Points

    • Cogito
      Latin for "I think", Cogito is an online community where students interested in math and science can find resources including news articles, interviews with scientists, academic competitions and summer camps.

    • Encyclopedia of Life
      The vision of this free online encyclopedia is to document all of the living species on Earth. Learn about plants, animals, fungi and bacteria. Images, sounds and videos are available for some of the species.

    • Extreme Science
      Use this site to look up "world records" in various categories, such as in the animal world (ex: largest snake), in earth sciences (ex: highest waterfall) or in weather (ex: coldest place).

    • How Stuff Works
      Articles, illustrations and videos provide objective "explanations of how the world really works".

    • Jefferson Lab
      Practice taking Virginia SOL science tests, watch science videos from Frostbite Theater, and play games and puzzles to help understand science topics.

    • Science News for Kids
      Designed for upper elementary and middle school students, the site offers news stories and features on timely topics.

    • Scientific American In-Depth Reports
      Special reports on timely topics include articles, podcasts and videos.

    • SciTech Daily Review
      This site lives up to its claim of providing informed, thought-provoking coverage of scitech issues. Voluminous in scope, it offers a solution to the "I have to write a report about a science article" assignment.

  • Anatomy
    • Atlas of the Body
      Sponsored by the American Medical Association, this website offers information on human anatomy in the form of clearly labeled medical illustrations.

    • Human Anatomy Online
      Informative lessons and animations for users whose browsers support Java.

  • Animals and Biology
    • Animal Diversity Web
      This searchable database provides information about many creatures and includes scientific classification. Provided by the University of Michigan Museum of Zoology.

    • Biology4Kids
      Covers cells, microrganisms, plants, invertebrates, vertebrates and animal systems.

    • Bioscience Issues
      Consult this site for full text, peer-reviewed articles covering seven primary topic areas (biodiversity, environment, genomics, biotechnology, evolution, new frontiers and bioscience education). Includes interviews with experts in the field, and provides credentials for all contributing authors.

    • Bug Guide
      An online resource devoted to North American insects, spiders and their kin, offering identification, images and information.

    • Desert Animals & Wildlife
      Extensive lists of desert animals, with clickable links to color photos and descriptions, supplemented by explanations of behavioral and structural adaptations that enable animals to survive in conditions of extreme heat and little water.

    • Dino Directory
      Search dinosaurs by name, timeline, geographic location or body shape. Sponsored by the British Natural History Museum.

    • eNature: Field Guides
      Species descriptions are provided for various types of animals and plants. You can browse through more than 5,500 entries or use the advanced search to search by size, color, habitat, region or name.

    • Endangered Species

      • Endangered Species Program
        The US Fish and Wildlife Service provides profiles of species included on the Federal list of endangered and threatened wildlife and plants. The site also provides lists of "how many and which" species are in particular categories as well as maps by US state or territory.

      • Kids' Planet ESPECIES Animal Factsheets
        Factsheets on endangered species in North and South America, Europe, Africa, the Middle East, Asia, Australia, the Arctic and Antarctica, and habitats (such as coral reefs, grasslands, wetlands, etc.) Information is provided by Defenders of Wildlife, an organization dedicated to wildlife conservation.

    • North American Mammals
      Search for a mammal by its common or scientific name, or use the map feature to find which mammals are native to a specific location. The site includes descriptions and images of more than 400 mammals and was developed by the Smithsonian Institution's National Museum of Natural History.

  • Astronomy and Space Exploration
  • Botany

    • Biology of Plants
      Elementary school students can learn about plant parts, pollination, how plants make food and more.

    • Desert Plants & Wildflowers
      This site goes beyond detailed descriptions and color photographs to explore the mechanisms by which desert plants adapt to their harsh environment, and offers data on range and habitat as well.

    • Native Plant Information Network
      Affiliated with the Lady Bird Johnson Wildflower Center (established in 1982), this site's purpose is to make available scientifically accurate information on native plants of the United States. You can search by scientific or common name, or by state. Information includes description, color photo, distribution and habitat preference, endangered status and bloom calendar.

    • Plants Database
      Maintained by the US Department of Agriculture. Offers names, checklists, identification information, distributional data, etc. Also provides links to global plant checklists; conservation fact sheets; and information on threatened and endangered plants searchable by family, genus or state.

  • Chemistry

    • Chem4Kids
      Covers the basic concepts of chemistry related to matter, atoms, elements, reactions and biochemistry.

    • Periodic Table of the Elements
      Provided by Los Alamos National Laboratory's Chemistry Division.

  • Environment and Ecology
    • Biomes
      • Biomes Around the World
        Elementary school students can explore rainforest, tundra, taiga, desert, temperate and grasslands biomes as well as freshwater and marine ecosystems. Provided by the Missouri Botanical Garden.

      • Major Biomes of the World
        Factual, college-level presentation of the global distribution and structural characteristics of eight major biomes. Site created and maintained by Radford University.

    • Energy Kid's Page
      Sponsored by the US Department of Energy, the information on this site is suitable for elementary school students and covers a range of topics. The Energy Facts section includes global sources and uses of energy and tips on how to save energy. The Energy History area contains timelines and brief biographical profiles of scientific pioneers in the field. A nice glossary offers hypertext cross references to additional explanatory materials. Contents are also searchable by keyword.

    • NatureServe Explorer: An Online Encyclopedia of Life
      This is a nicely-developed site for seeking "conservation information on more than 70,000 plants, animals and ecological communities of the United States and Canada." It is possible to search either by scientific or common name, or by species groups.

    • Planet Diary
      Interesting material on a variety of subjects such as atmosphere, drought, earthquake, fire, flood, flora and fauna, storms and volcanoes.

    • Students for the Environment
      The EPA offers a wonderful collection of information for K-12 students including games and quizzes, homework resources and science fair project ideas. Learn about topics such as climate change, dealing with emergencies, greener living, pesticides, waste and water issues.

  • Geology
    See also geography and environment.
    • Earthquakes for Kids & Grownups
      On this informative site one can investigate earthquake factsheets, find science project ideas, research "today in earthquake history," read about careers in geophysics and learn about the science of seismology.

    • Geography4Kids -- Earth Structure

    • Geology.com
      Offers articles and news on various geological topics, a geology dictionary, career information and teacher resources. Includes a collection of US state maps and satellite images as well as country maps paired with Landsat images.

    • Prehistoric Time Line
      Explore developments from the time that Earth formed to the period when modern humans were born. This geologic time scale from National Geographic includes photos, illustrations, and information about each era.

  • Physics
    • Physics Central
      Read about current research in physics, try physics experiments and get your physics questions answered by a physicist. Provided by the American Physical Society.

    • Physics.org
      Search for physics sites based on your topic, age and knowledge levels; find answers to commonly asked physics questions; and try physics experiments.

  • Science Projects
    • Science Buddies
      Use the Topic Selection Wizard to help you select a science fair project based on your interests or browse more than 1000 project ideas in many areas of science. The Science Fair Project Guide offers information from getting started through communicating your results.

    • Science Fair Project Resource Guide
      Covers everything from generating an idea for your project through planning its stages, and provides tips on writing up the results.

    • Steve Spangler Science
      If you need a science fair project idea or just want to try some fun science experiments, look at these interesting activities.

  • Weather
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From the library's list of homework websites.

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