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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.

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Science fair project that examines the physical characteristics of soil in order to learn about soil permeability and other environmental properties.
Fifth Grade
Sixth Grade
Little ones looking to get their hands dirty will love this series of fun plant experiments for kids that teach essential plant biology concepts such as photosynthesis, transpiration, capillary action, and tropisms in fun and hands-on ways. Little green thumbs get to do everything from literally cloning cabbage (which is actually quite easy to do, and very cool) to building their own working greenhouses. Check it out!
Science Fair Project Ideas
Chemistry
Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.
Seventh Grade
Medium
Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.
Kindergarten
Botany
Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.
Eighth Grade
Medium
This science fair project will go beyond the simple definition of conservation to explore the different facets of what conservation means.
Middle School
High School
A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Seventh Grade
Eighth Grade
This science fair project idea raises awareness of a real ecological issue.
Middle School
Medium

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