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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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How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.
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
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
Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.
Science Fair Project Ideas
Middle 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
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Science Fair Project Ideas
Elementary School
Can you fool your eyes and your brain with an optical illusion?  The purpose of this science fair project is to demonstrate various kinds of optical illusions.
Science Fair Project Ideas
Kindergarten
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Science Fair Project Ideas
Second Grade
Vitamin C boosts your immune system and your health.  The purpose of this science fair project is to determine which fruit juices have the most Vitamin C.
Science Fair Project Ideas
Elementary School
Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.
Science Fair Project Ideas
Middle School
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Science Fair Project Ideas
Elementary School
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Science Fair Project Ideas
Elementary School
Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.
Science Fair Project Ideas
Elementary School

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