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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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In this CD hovercraft science project, students will construct their own DIY hovercraft.
Science Fair Project Ideas
Fourth Grade
Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.
Science Fair Project Ideas
Eighth Grade
What's the difference between centripetal and centrifugal force? High school students will find out by seeing both in action while conducting this experiment.
Science Fair Project Ideas
Tenth Grade
Check out this cool science fair project on identifying rocks and minerals for kids.
Science Fair Project Ideas
Sixth Grade
Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.
Science Fair Project Ideas
Fifth Grade
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
Science Fair Project Ideas
Fifth Grade
This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.
Science Fair Project Ideas
Eighth Grade
Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.
Science Fair Project Ideas
Fourth Grade
In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.
Science Fair Project Ideas
Fourth Grade
How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.
Science Fair Project Ideas
Fourth Grade
Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!
Science Fair Project Ideas
Eighth Grade
Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.
Science Fair Project Ideas
Seventh Grade

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