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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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Explore the fun facts on different species of animals in a tropical rain forest in this cool and interesting science fair project idea.
Weather and Climate
Middle School
This science fair project idea explores how water and ice can change the form of rocks.
Geology
Elementary School
Complete this free science fair project using plastic bottles, duct tape, and water and explore the formation and shape of tornadoes.
Earth & Space Science
Elementary School
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
The purpose of this project is to examine the sun's highest altitude in the sky during the day to determine if it is exactly halfway between sunrise and sunset.
Earth & Space Science
Middle School
The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.
Earth & Space Science
Astronomy
What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.
Ecology
Fifth Grade
Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?
Geology
Third Grade

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