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  1. sciencebuddies.org
    https://www.sciencebuddies.org › science-fair-projects

    Science Projects

    Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!

  2. all-science-fair-projects.com
    https://www.all-science-fair-projects.com

    1000+ Science Fair Projects with Videos for All Grades

    Find the best STEM projects & science fair project ideas · Over 55 subjects · Easy science fair projects, Top 10 & more!

  3. kidsactivitiesblog.com
    https://kidsactivitiesblog.com

    50 Easy Science Fair Projects & Ideas for All Grades • Kids ...

    Mar 12, 2023 · Looking for science fair projects? Look no further! We have a list of projects for elementary, middle, and high schoolers.