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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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With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.
Physics
First Grade
This science fair project idea builds models of various types of bridges and then  determines which bridge design is the strongest.
Physics
Fifth Grade
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Electricity and Magnetism
Fourth Grade
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Chemistry
Second Grade
Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.
Physics
Fourth Grade
Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.
Elementary School
Physical Science
Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.
Elementary School
Physical Science
The objective of this science fair project idea is to  determine if sound travels best through the air, water or a solid.
Elementary School
Physics
This science fair project idea produces varying pitches of sound.
Elementary School
Physical Science
This science fair project idea explores substances that cause a bubble to last longer.
Chemistry
Third Grade
This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.
Physical Science
Third Grade
Looking for a way to liven up a hot summer day? A little hands-on science is the perfect way to keep your kid occupied. So why not recruit your budding scientist and conduct an experiment or two?
Elementary School
Physical Science
Will increasing the amount of salt in water effect how slow or fast the water freezes?
Chemistry
Third Grade
This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.
Physical Science
Fifth Grade

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