Below is a list of the 1273 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.

Feb 8, 2024 · However, it’s easy to get stuck on what science fair project to do as there are so many ideas to choose from. In this article, we’ll explore 25 science fair project ideas that can hopefully …

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 …

May 9, 2024 · Topics for the Science Fair - 101 science fair topics in categories including health, engineering, astronomy, chemistry, and more.

Jan 26, 2026 · 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 …

Mar 12, 2023 · This article has 50 of our favorite science fair ideas for kids separated by grade level. If you are just getting started on your science fair plan, jump to these topics:

In this blog, weʼll explore why great science fair project ideas are so important, how to come up with them, and provide practical tips for selecting the best project for your needs.

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

2 days ago · Explore winning science fair project ideas for 2026! From easy experiments to advanced STEM challenges - perfect for students of all levels.

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 from astronomy to zoology, we've got …