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Elementary School Science Fair Project Ideas

Great selection of elementary school science fair project ideas. These science fair projects can help you find elementary school level ideas for your science fair.

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Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Form and Function
Elementary School
First Grade
The purpose of this science fair project is to investigate the reliability of eye witness reports.
How Reliable Are Eyewitness Reports?
Elementary School
First Grade
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
A Rocky Quiz
Elementary School
Third Grade
Check out this fun science fair project idea to determine the effect of temperature on the rate of a dissolved gas being released from the club soda.
Why Do Carbonated Sodas Go Flat?
Elementary School
Fourth Grade
This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.
My Black Shirt Is A Heater!
Elementary School
Third Grade
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
To Test the Solubility of Common Liquid Solvents
Elementary School
Fourth Grade
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Cats & Dogs
Elementary School
Third Grade
Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.
What is in Tap Water?
Elementary School
Easy
Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.
Determining Mold and Mechanical Deterioration Risk for an Artifact Storage Box
Elementary School
Fifth Grade
Check out this fun science project to explore if sodium polyacrylate can be a possible alternative to the use of chemical dispersant in oil spill cleanups.
Which Oil is Easier to Cleanup with Diaper Powder?
Elementary School
Fourth Grade
The purpose of this science fair project is to determine how accurate and precise dart players are.
How Accurate and Precise Are Dart Players?
Elementary School
Fourth Grade
Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.
Digging in the Dark
Fifth Grade
Middle School
Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.
Testing Soil from an Abandoned Field for Future Secondary Succession
Elementary School
Middle School
In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.
What Materials Block Radio Waves Most Effectively?
Elementary School
Middle School
This project examines the impact of fresh and coastal salt water on residential lawn growth.
Lawn Flooding: Fresh vs. Salt Water Damage
Elementary School
Chemistry

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