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!

Below is a list of the 1248 science fair project ideas on our site. To help you find a topic that can hold your interest, Science Buddies has also developed the Topic Selection Wizard.

Free Topic Selection Wizard, science fair project ideas, step by step how to do a science fair project, Ask an Expert discussion board, and science fair tips for success.

For a personalized list of science projects, middle schoolers can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and …

Our library of science project ideas has hundreds of great projects for you to choose from. Take the Topic Selection Wizard quiz for a personalized list of ideas that fit your interests.

For a personalized list of science projects, fourth graders can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and …

Explore classic and cutting-edge high school science experiments in this collection of top-quality science investigations.

Doing science projects together at home can make a wonderful weekend or "day off" activity. The following list of projects contains projects from our library of science Project Ideas that meet …

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For a personalized list of science projects, seventh graders can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and …