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.

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

2 days ago · Discover 35 science fair ideas for students, including easy biology, chemistry, physics, environmental, and human science projects for school experiments.

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 …

This list of 100+ exciting science fair projects covers all grade levels and subjects! Whether you’re looking for a quick and easy project or something more advanced, there’s an experiment here for you.

Science project ideas in this page may be used for science fair competitions or for class projects. Can't find your project? If you have a new science project idea that is not listed here, we can assign you a …

Jan 10, 2026 · Science Buddies offers a comprehensive list of 1219 science fair project ideas, featuring 50 specific topics aimed at addressing real-world challenges.

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!

Jan 12, 2026 · Science fairs have long been a cornerstone of hands-on education – they encourage curiosity, creativity, and applying the scientific method to real-world questions. If you’re a student …

Over 1,200 free science projects for K-12. Browse by subject, grade level, or try our Topic Selection Wizard to find your winning science project. With science projects in 32 different areas of science …