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Earth and Space Science Fair Projects

Looking for science fair project ideas that will make your kid a star at his upcoming science fair? Education.com's editorial staff has curated a rich collection of cool Earth and space science fair projects written by our team of talented professional scientists, science teachers, and educational consultants. Our Earth science projects and Earth science experiments give inquisitive kids the opportunity to identify unknown minerals and discover why certain volcanic rocks can float. Our space science projects give students the chance to do everything from building a model rocket to determining the elliptical path of a planet's orbit using applied math.

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In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.
Astronomy
Fifth Grade
What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.
Astronomy
Seventh Grade
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Earth & Space Science
Third Grade
Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.
Weather and Climate
Astronomy
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Ecology
Fourth Grade
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Earth & Space Science
Weather and Climate
Learn how different types of soil affect how animal tracks form in this experiment!
Ecology
Kindergarten
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.
Earth & Space Science
Elementary School
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Ecology
Elementary School
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Weather and Climate
Fourth Grade
In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!
Astronomy
Third Grade
Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.
Earth & Space Science
Elementary School
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Geology
Ninth Grade

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