Earth and Space Science Fair Projects

Looking for science fair project ideas that will make your kid a star at his upcoming science fair?'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 project you will observe and record changes in sunspots over several days.
Middle School
In this free science fair project idea, you will learn how to build a 3-D model of Earth.
Middle School
Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.
Earth & Space Science
Second Grade
This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.
Elementary School

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