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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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This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.
Does Length Have an Effect on Speed?
Elementary School
Third Grade
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Arch Magic: The Unbreakable Egg
Elementary School
Fourth Grade
In this free science fair project idea, we look at two celery bunches, one with red food coloring, and watch them absorb water with a magnifying lens.
Spotted: How is Water Transported Through Plants?
Elementary School
Easy
Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.
Lemonade Science
Elementary School
Middle School
Fun elementary school science fair project which explains how the way the axis of a planet is tilted in relation to the Sun affect its surface temperature.
How Hot?: How Does a Planet's Distance From the Sun Affect its Temperature?
Elementary School
Astronomy
In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.
What Lives in the Air Conditioner?
Third Grade
Fourth Grade
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Fourth Grade
Fifth Grade
What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.
What is Surface Tension?
First Grade
Zoology
This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Elementary School
Fourth Grade
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Energy Efficient Windows
Fifth Grade
Environmental Issues
In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
What Attracts Fruit Flies?
Second Grade
Ecology
This project explores whether people's choice of a 'random' number is not as random as it seems.
17: The Most Popular Random Number
Elementary School
Fourth Grade
This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.
Which Substance When Dissolved in Water will Conduct an Electrical Current?
Fifth Grade
Middle School
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Fastest Way to Cool a Soda
Fourth Grade
Easy
In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.
Leaf Rubbings: Shapes and Patterns
Elementary School
Kindergarten

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