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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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Creating an earth model is a fun, hands-on way to learn all about our planet. In this project, you'll build a model of the world, complete with all seven continents and four major oceans.
Create Your Own Earth Model
Third Grade
Earth & Space Science
In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.
How Does Glacier Movement Affect Earth?
Elementary School
Medium
Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.
Circumference of the Earth in Shadows
Fifth Grade
Sixth Grade
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Flat Earth? Not Really!
Elementary School
Fourth Grade
Check out this fun elementary school science fair project on total lunar eclipse and partial lunar eclipse and how does the Moon move through Earth's shadow.
Earth Shadows: How Does the Moon Move Through Earth's Shadow?
Elementary School
Astronomy
In this free science fair project, learn how to change the direction of the needle compass using a magnet bar. A great project for elementary school kids.
Mapping: How is the Needle of a Compass Affected by Magnetic Fields?
Elementary School
Easy
In this free science fair project, explore and learn the process of igneous rock formation using construction paper, newspaper, and water.
Transformed: How is Igneous Rock Formed?
Elementary School
Easy
In this free science fair project, explore the method of separating salt and water in seawater using heat. A great science project for elementary school kids.
Sun Dried: How Can the Sun be Used to Separate Salt from Salt Water?
Elementary School
Easy
How does the curved shape of the earth affect the world's climate? In this free science fair project, you can find why. A great science project for kids.
Straight On!: How Does the Curved Shape of the Earth Affect the Climate Throughout the World?
Elementary School
Earth & Space Science
In this free science fair project, learn the process of fossil formation by making a fossil mold with shell and clay. A great science project for kids.
Rock Record: What are Fossils?
Elementary School
Easy
Fun elementary science project helps students in comparing the period of rotation of different parts of Earth and direction of rotation of other planets.
Twirlers: How Does the Period of Rotation of Different Parts of Earth Compare?
Elementary School
Astronomy
Check out this fun and easy science fair project ideas for elementary school students on the comparison of masses of other planets to the mass of the Earth.
More or Less: How Do the Masses of Other Planets Compare to the Mass of Earth?
Elementary School
Astronomy
In this free science fair project idea, we learn about how Mercury is smaller in size than Earth, in the planets of our solar system.
Big and Bigger: How Can the Sizes of Mercury and Earth be Compared?
Elementary School
Astronomy
Check out this fun and easy elementary school science fair project idea on the role of intrusive volcanism in changing the shape of earth's crust.
Lifter: How Does Intrusive Volcanism Change the Shape of the Earth's Crust?
Elementary School
Geology
Get free science fair project ideas for middle school and high school students that cover topics from astronomy to physics.
Squirter: How Does Depth Affect the Pressure of Water?
Elementary School
Easy

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