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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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The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.
Balancing Act: How does Gravity Affect Balance?
Elementary School
Fifth Grade
The goal of this science fair project is to test the effectiveness of various search engines.
Effectivess of Various Search Engines
Elementary School
Fourth Grade
Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.
High Frequency Hearing Test
Fifth Grade
Medium
Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.
Make a Magnetized Compass!
Elementary School
Fourth Grade
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Rainbow in a Jar
Second Grade
Physics
This science experiment tests if dog saliva can really help heal wounds.
Can Doggy Drool Really Kill Germs?
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
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Where Did the Lady Bug Get Her Spots?
Elementary School
Second Grade
In this free science fair project idea, we create our own dinosaur footprint replicas by making animal tracks with our hands.
Imprints: How Were Dinosaur Tracks Formed?
Elementary School
Zoology
This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.
Which Food Will Mold the Fastest?
Elementary School
First Grade
This science fair project will help students learn about non-vascular plants, such as mosses.
Water and Mosses
Second Grade
Third Grade
This science fair project idea enhances awareness of local food production and food sourcing.
Where Does Your Food Come From?
Elementary School
Middle School
The purpose of this science fair project is to calculate the density of various fruits to determine which fruits are the most dense.
Are Some Fruits and Vegetables Denser than Others?
Elementary School
Fourth 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
Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' noseprints and discover just how unique they are!
Can Nose Prints Be Used to Identify Dogs?
Elementary School
Third Grade

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