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!

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.

Below is a list of the 1253 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.

To find other projects you and your student would enjoy, browse the complete library or use the Topic Selection Wizard to see a list of recommendations that match up to your interests.

Find an elementary school science experiment that is just right for you in this collection of fun hands-on science.

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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 …

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 …

For a personalized list of science projects, high 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.