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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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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
Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!
Astronomy
Ninth Grade
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
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Weather and Climate
Fifth Grade
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
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
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
Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.
Ecology
Elementary School
Let's begin digging in your backyard. This free science fair project outlines all the materials and guides you need to become an archaeologist.
Earth & Space Science
Middle School

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