Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!

Looking for fun science fair projects? 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.

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 science fair project ideas from our collection of 1000+ STEM projects! Which school grade are you in? What subject do you like? What topic interests you? New to Science Fair Projects? No worries! …

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 …

Jan 26, 2026 · Discover 100+ creative science fair project ideas for students of all ages. Explore fun, hands-on experiments perfect for school science fairs.

Jan 25, 2026 · Discover 8 winning easy science fair projects for kids! Our guide has step-by-step instructions for all ages to make your next project a success.

Science experiments you can do at home! Explore an ever growing list of hundreds of fun and easy science experiments. Have fun trying these experiments at home or use them for science fair project …

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 …

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.