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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Ever wonder why your mom makes you wear two or three layers of clothing when you go outside to build a snowman? In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Insulation Experiment: Keep Your Body Warm

First Grade
Anatomy

Here is a cool science project for elementary students to make a model to learn how astronauts use vibrations to determine the nature of the Sun's interior .

Bong!: How do Astronomers use Vibrations to Determine the Nature of the Sun's Interior?

Elementary School
Astronomy

Here is a fun and easy science fair project explaining the relationship between the separation of two liquids in a mixture and differences in their densities.

Riser: How Does Density Affect the Movement of Magma?

Elementary School
Geology

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling
into the moat.

Sand Bridge

Fourth Grade
Engineering

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Making Glass Invisible

Elementary School
Fifth Grade

Check out this easy and fun science fair project to determine the shape of the orbit of a planet and the effect of focal distance of an ellipse on its shape.

Around and Around: What is the Shape of a Planet's Orbit?

Elementary School
Astronomy

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Exploring the Movement of Tectonic Plates with S'Mores

Elementary School
Third Grade

Get fun and easy science fair project idea for middle school student to design a model to determine the affect of pressure on rocks in earth's asthenosphere.

Easy Flow: How Does Pressure Affect the Rock in the Asthenosphere?

Elementary School
Geology

Step by step free science fair project idea for you to explore the center of the hurricane and why the eye of the hurricane is motionless.

Stormy: What is the Eye of a Hurricane?

Elementary School
Earth & Space Science

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Comparing Implements for Writing

Elementary School
Third Grade

What is the shape of a tornado.Do this free science fair project using plastic bottles, duct tape, and water and explore the formation and shape of tornadoes.

Twister: What is the Shape of a Tornado?

Elementary School
Earth & Space Science

Paper Airplanes

Elementary School
Second Grade

In this free science fair project idea, we learn about how Saturn's rings of ice and rocks encircle the planet.

Ringed: How do the Rings of Saturn Lie Around the Planet?

Elementary School
Astronomy

What causes thunder? Do this free science fair project using an inflated balloon and a pin to learn about thunder and why thunder makes the loud boom sound.

Boom!: What Causes Thunder?

Elementary School
Earth & Space Science

What causes lightning? In this simple free science fair project using just duct tape in a dark room, you can explore how and why lightning occurs.

Flashers!: What Causes Lightning?

Elementary School
Earth & Space Science

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Elementary School Science Fair Project Ideas

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Elementary School Science Fair Project Ideas

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