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 421 to 435 of 499
Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.
Environmental Issues
Sixth Grade
In this cool science project, model how impact craters form on the surface of the moon.
In this free science fair project idea, we learn why areas closer to the equator are hotter than areas farther away from the equator.
Earth & Space Science
Weather and Climate
In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Second Grade

Share these projects with friends

clear all

Filter by

DIY Worksheets
Make puzzles and printables that are educational, personal, and fun!
Matching Lists
Quickly create fun match-up worksheets using your own words.
Word Searches
Use your own word lists to create and print custom word searches.
Crossword Puzzles
Make custom crossword puzzles using your own words and clues.
See all Worksheet Generators