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.

May 19, 2025 · Following these steps will help you do a clear science fair project and have the best chance to do well in both smart work and the competition. Learn much more.

Find 101 simple STEM fair project ideas with examples for school students. Easy, creative, and perfect for science fairs.

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!

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

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 …

Apr 26, 2025 · Science fairs are a thrilling opportunity to show off your creativity, problem-solving skills, and love for discovery. In this guide, you’ll find over 50 carefully curated science fair ideas that are …

Nov 1, 2025 · In this guide, we’ll explore 35+ free STEM fair project ideas that you can try using simple materials at home or school. You’ll find projects for science, technology, engineering, and …

Feb 6, 2023 · For students especially interested in physics or engineering, STEM challenges can lead to amazing science fair project ideas. Check out these lists for engaging challenges, and watch the …

Sep 29, 2025 · We’ve journeyed through a remarkable array of innovative projects, from sustainable renewable energy projects and captivating robotics projects to critical environmental science projects …