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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 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
Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.
Elementary School
Middle School
The objective of this science fair project idea is to  determine if sound travels best through the air, water or a solid.
Elementary School
Fourth Grade
What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.
Second Grade
Botany
This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.
Fifth Grade
Easy
Can you dig it? This science experiment isn't for kids who like to keep their hands clean.
First Grade
Engineering
Do you think you could walk around upside down -- with your feet in the air and your head on the ground?
Second Grade
Botany
With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!
First Grade
Physical Science
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Fourth Grade
Physics
Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.
Fourth Grade
Microbiology
Set off an a science adventure as you prepare a row of bee homes for your new visitors.
Third Grade
Zoology

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