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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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What can you do with hair after its cut? This science project teaches you practical uses for human hair.
Can't Do a Thing with Your Hair? Think Again!
Elementary School
Fifth Grade
This science fair project compares the 3-dimensional Holographic Effect capabilities of high definition glasses to that of the standard Red/Blue color lenses.
Comparing the Holographic Effect Capabilities of HD Gasses to Red/Blue Lens 3D Glasses
Elementary School
Fourth Grade
Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves
Plants and Water
Elementary School
Kindergarten
What keeps a an item cooler, polymer crystals or ice? Test your knowledge!
Polymer Crystals vs. Ice
Elementary School
Third Grade
Salty Ice Cubes
Elementary School
Physics
This science research project challenges students to think of more effective lobster farming methods.
Lobster Lab
Elementary School
Fifth Grade
This science project allows students to study the psychology of happiness.
The Pursuit of Happiness
Elementary School
Fifth Grade
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Stumped?
Elementary School
Fourth Grade
The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.
Exploring the Rate of Plant Growth in Crystals vs. Soil
Elementary School
Fifth Grade
In this project, the affect of acid rain is simulated by the acid, vinegar.
Acid Rain
Elementary School
Second Grade
The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.
Diaper Dissection
Elementary School
Fourth Grade
A tiny peanut contains stored chemical energy. We can use the energy in a peanut to heat a container of water. Read more about peanut power.
Peanut Power
Elementary School
Electricity and Magnetism
The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.
Cook Seeds Before Planting?
Elementary School
Botany
The purpose of this science fair project is to investigate how various odors affect cricket behavior.
How Do Odors Affect Cricket Behavior?
Elementary School
Kindergarten
The purpose of this science fair project is to investigate whether crickets prefer the light or the dark.
How Do Crickets Respond to Light and Dark?
Elementary School
Kindergarten

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