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.

Sort by:
Showing 16 to 18 of 18
This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.
Sixth Grade
Test marble and limestone to determine if acid rain is harmful enough to damage buildings and stone monuments.
Earth & Space Science
Fourth Grade
Raise fish in different sized aquariums for 8 weeks. Document growth rate. Determine optimal volume for fish growth.
Middle School

Share these projects with friends

clear all

Filter by