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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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In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Second Grade
Ecology
The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.
Fourth Grade
Fifth Grade
This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.
Fifth Grade
Middle School
In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.
Second Grade
Ecology
This science fair project idea determines what household items are good conductors of electricity.
Third Grade
Fourth Grade
This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.
Elementary School
Earth & Space Science
Elementary School
Botany
Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.
Elementary School
Fourth Grade
Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.
Third Grade
Easy
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Elementary School
Fourth Grade
This project tests the hypothesis that dark colors absorb more heat than light colors.
Third Grade
Physics
Using a toy race car kids create a visual model of the Doppler Effect.
Elementary School
Kindergarten
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
Second Grade
Physics

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