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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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Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
Fifth Grade
Medium
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Fifth Grade
Medium
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Third Grade
Medium
In this science fair project, students make their own rain gauge to measure rainfall.
Fourth Grade
Weather and Climate
Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body--your arm!
Third Grade
Engineering
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Elementary School
Fourth Grade
This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.
Elementary School
Fifth Grade
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Elementary School
Fifth Grade
Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.
Second Grade
Easy
This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.
Fourth Grade
Easy
How do fish breathe? How do gills work? In this science project, learn about aquatic respiration and find a fish's breathing rate in different temperatures.
Fourth Grade
Easy
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Second Grade
Medium

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