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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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How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.
Weather and Climate
Middle School
In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
Earth & Space Science
Weather and Climate
This science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Earth & Space Science
Ninth Grade
Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.
Earth & Space Science
Sixth Grade
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Weather and Climate
Third Grade
Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?
Earth & Space Science
Sixth Grade
Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.
Weather and Climate
Sixth Grade
Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.
Ecology
Environmental Issues
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Astronomy
Elementary School
Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.
Astronomy
Middle School
Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.
Ecology
Sixth Grade
This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.
Ecology
Sixth Grade
In this experiment you will use plastic and magnets to test your local soil composition.
Earth & Space Science
Sixth Grade
In this science fair project, you will make a model of what scientists in the past thought the universe looked like that is geocentric (Earth-centered).
Astronomy
Middle School

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