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Elementary School Science Fair Project Ideas

Education.com's elementary school science fair projects expose kids to a broad range of opportunities for scientific inquiry, arming them with the tools and knowledge they need to answer their questions about the world around them. Elementary school science experiments are a great way to demonstrate important concepts in physics and chemistry, while our elementary school science fair project ideas equip kids with carefully explained procedures that yield enlightening results.

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This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.
Elementary School
Kindergarten
This project determines what category of person is most likely to be ticklish.
Elementary School
Second Grade
In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.
Elementary School
Third Grade
What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.
Third Grade
Anatomy
In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.
Fifth Grade
Sixth Grade
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Elementary School
Kindergarten
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Second Grade
Third Grade
This science fair project uses paper chromatography to  investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.
Elementary School
Fourth Grade
Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.
Fourth Grade
Physics
In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.
Elementary School
Third Grade
In this fun experiment, we'll find out how color affects heat absorption!
Fifth Grade
Weather and Climate
This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.
Kindergarten
First Grade
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
Elementary School
Kindergarten

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