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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This science fair project challenges students to research vortices occurring in nature and then create their own vortex.
High School
A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Seventh Grade
Science fair project that examines the physical characteristics of soil in order to learn about soil permeability and other environmental properties.
Earth & Space Science
Fifth Grade
Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.
Environmental Issues
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Earth & Space Science
Fifth Grade
This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools
Middle School
The goal of this project is to create an exciting topographical map out of dough.
Elementary School
Weather and Climate
Middle School
The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.
Elementary School
Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.
Middle School

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