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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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In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.
How Important Are Cats' Whiskers?
Elementary School
Third Grade
This project examines the impact of low water on a radish seedling root system. How is growth affected?
Effect of Low Water on a Seedling Root System
Elementary School
Fourth Grade
Do plants get crowded?
Soil Space: A Crowded Science
Second Grade
Botany
Could there be toxic chemicals lurking in the cupboards and closets of your home?
Toxic Chemicals: What's in Your Home?
Fourth Grade
Health and Medicine
This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.
Plants Need Sunlight and Water
Elementary School
Kindergarten
Will increasing the amount of salt in water effect how slow or fast the water freezes?
Water Salinity
Third Grade
Chemistry
The purpose of this science fair project is to determine whether a thin wire or a thick wire more effectively energizes a light bulb connected to a battery.
Does Electricity Move Better through Thick Wires or Thin Ones?
Elementary School
Fifth Grade
This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.
Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?
Elementary School
Easy
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
The Speed of Sound on a String
Elementary School
Kindergarten
This science fair project idea produces varying pitches of sound.
Changing the Pitch of Sound
Elementary School
Fourth Grade
Kids often ask, 'how tall am I?' This science fair project seeks to determine how well kids can guess their own heights.
How Tall am I
First Grade
Easy
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Meat Science!
Fifth Grade
Medium
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
A Thunderous Sound
Second Grade
Third Grade
This science fair project idea teaches kids the different functions of a leaf.
What Do Leaves Do?
Elementary School
Botany
Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!
Under What Conditions Do Potatoes Sprout The Fastest
Third Grade
Fourth Grade

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