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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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Showing 31 to 45 of 110
Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.
Science Fair Project Ideas
Seventh Grade
What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.
Science Fair Project Ideas
Fourth Grade
Check out 10 of our favorite chemistry experiments for kids. Little mad scientists can learn about endothermic and exothermic reactions, electrolysis, oxidation, and combustion with easy experimental procedures that enlighten young minds while minimizing the need for specialized equipment.
Science Fair Project Ideas
Chemistry
Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.
Science Fair Project Ideas
Eighth Grade
Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.
Science Fair Project Ideas
Fourth Grade
In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Science Fair Project Ideas
Ninth Grade
Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.
Science Fair Project Ideas
Second Grade
Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.
Science Fair Project Ideas
Third Grade
The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.
Science Fair Project Ideas
Middle School
The purpose of this science fair project is to build a basic radio.
Science Fair Project Ideas
Elementary School
Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.
Science Fair Project Ideas
Ninth Grade
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Science Fair Project Ideas
Fourth Grade
This science fair project uses paper chromatography to  investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.
Science Fair Project Ideas
Elementary School
Be like Ben (Franklin, that is) and discover electricity in your own backyard. Or kitchen, or bedroom, or school science lab...
Science Fair Project Ideas
Fifth Grade

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