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.

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 …

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 …

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!

No matter if you're in high school, elementary or middle school, science fair projects are a fun and unique way to discover science by asking a question and doing a science project.

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. These ideas are categorized by grade …

Jan 12, 2026 · Explore winning science fair project ideas for 2026! From easy experiments to advanced STEM challenges - perfect for students of all levels.

3 days ago · These science fair projects include everything from simple chemistry experiments and physics projects for school to environmental science experiments and health and human science …

Whether you're a beginner or an advanced student, there are science fair project ideas for everyone. Here is a list of 25 science fair project ideas, ranging from easy to hard, that can help you explore …

Most science fairs in the U.S. and U.S. territories are held from January through March. Fairs outside the U.S. may take place at other times of the year. Students who participate in these fairs must observe …