Below is a list of the 1272 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 …

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

Jun 26, 2025 · Explore 1000s of Free Science Fair Projects 2025, Kids Projects, Expo Ideas, Exhibition Topics, Working Craft Models, Science Experiments with Creative Ideas on for Aerodynamics or …

Jan 19, 2026 · 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 student, teacher, or parent, this list of 100+ exciting and easy science fair project ideas is perfect for elementary, middle, and high school students. Many of these experiments use simple …

Jan 12, 2026 · Here are 10 exciting science fair projects that stand out in 2026. These popular ideas aren’t listed elsewhere in the article and provide fresh perspectives for your experiment. Plus, some …

Feb 6, 2023 · These roundups offer ideas for various interests in disciplines ranging from bio and chemistry to physics and environmental science. Source: @qmsduncan. For students especially …

Sep 20, 2025 · Discover 7 exciting examples of science fair project ideas for 2025. Get inspired and start your winning project today with our top science fair tips!

For those of you who have students working on a science fair project, check out some of PLT’s hands-on activities for new ideas.