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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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What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.
Astronomy
Weather and Climate
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Astronomy
Fifth Grade
This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.
Ecology
Elementary School
Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.
Geology
Weather and Climate
In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.
Earth & Space Science
Geology
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Ecology
Third Grade
Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Geology
Second Grade
A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.
Ecology
Middle School
In this fun science fair project, make two different scale models  of our solar system using Astronomical Units and planets' relative size!
Astronomy
Fourth Grade
In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.
Geology
Fourth Grade

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