Education.com
Try
Brainzy
Try
Plus

Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

Sort by:
Showing 91 to 105 of 506
This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.
Psychology and Sociology
Middle School
How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.
Psychology and Sociology
Seventh Grade
Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Geology
Second Grade
What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.
Astronomy
Weather and Climate
Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.
Geology
Fourth Grade
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Astronomy
Fifth Grade
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Ecology
Fourth Grade
In this science fair project, students use the streak test to tell minerals apart from each other.
Earth & Space Science
Geology
This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.
Ecology
Elementary School
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Geology
Ninth Grade
A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.
Ecology
Middle School
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Ecology
Third Grade

Share these projects with friends

DIY Worksheets
Make puzzles and printables that are educational, personal, and fun!
Matching Lists
Quickly create fun match-up worksheets using your own words.
Word Searches
Use your own word lists to create and print custom word searches.
Crossword Puzzles
Make custom crossword puzzles using your own words and clues.