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!

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

Mar 12, 2023 · Do you need a science fair project idea? We have 50 (and counting) science fair project ideas for kids of all ages that is sure to inspire your next science fair to be the best one ever!

Jun 10, 2025 · Science fair is an opportunity for students of all ages to ask big questions, conduct meaningful research, and make exciting discoveries. Browse hundreds of science fair project ideas …

Nov 11, 2025 · In this guide, you will find 100+ creative science fair project ideas for every grade and STEM field, each designed to spark curiosity, encourage problem-solving, and make science exciting …

Feb 8, 2024 · In this article, we’ll explore 25 science fair project ideas that can hopefully provide some inspiration and don’t require fancy or expensive materials. Want even more inspiration? Explore our …

Apr 26, 2025 · Science Fair ideas: Discover exciting 50+ science fair ideas to inspire creativity and innovation, with complete project guides.

Looking for fun science fair projects? Whether you’re a student, teacher, or parent, this list of 100+ exciting and easy science fair project ideas is perfect for elementary, middle, and high school students.

Dec 5, 2025 · Explore winning science fair project ideas for 2025! From easy experiments to advanced STEM challenges - perfect for students of all levels.

Below is a list of the 1251 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.