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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Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.
Sixth Grade
Science fair project that examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.
Earth & Space Science
Fifth Grade
When there are dark clouds, rain is expected but how do raindrops begin? Do this free science fair project and explore the formation of raindrops.
Earth & Space Science
Weather and Climate
Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.
Fourth Grade
How does cloud form and what causes its formation? Do this free science fair project and see how and why clouds form.  Great project for elementary students.
Earth & Space Science
Weather and Climate
How do you measure the speed of wind?  It's measured using an anemometer. This free science project will teach you how to make an anemometer.
Earth & Space Science
Weather and Climate
What causes wind? What causes the wind direction? Do this free science fair project and explore how wind move and what cause it. Project for elementary kids.
Earth & Space Science
Weather and Climate
The purpose of this science fair project is to determine how moisture affects the color of soil.
Earth & Space Science
Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.
Earth & Space Science
Middle School
Measure soil temperature as a function of depth in the ground, and look for evidence of global warming responses in data.
Earth & Space Science
High School
This science fair project idea observes products available in the school cafeteria and waste produced by these products.
Elementary School

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