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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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In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Ecology
Second Grade
In this free science fair project idea, we learn about fault planes and faulting and how they separate the earth's surface from itself.
Earth & Space Science
Geology
This science fair project challenges students to research vortices occurring in nature and then create their own vortex.
Ecology
High School
In this free science fair project idea, we learn how anticlines form in the earth as a result of geology forces.
Earth & Space Science
Geology
In this free science fair project idea, we learn about how atmospheric pressure influences objects around us.
Ecology
Weather and Climate
Weather and Climate
Middle School
In this science fair project, all you need is a tennis ball and stopwatch to model the use of sonar to determine ocean depths.
Oceans
Middle School
In this free science fair project idea, we learn about rock layering and how the geological process of horizontal layering occurs.
Earth & Space Science
Ecology
What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.
Geology
Third 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
Oceans
Middle School
In this free science fair project idea, we model sidereal time and solar time and learn about the difference between these two timekeeping systems
Earth & Space Science
Astronomy
Get free science fair project ideas for middle school and high school students that cover topics in earth science.
Earth & Space Science
Astronomy
In this science fair project, you will study the Earth's crust and model the different types of faults and the types of stress that cause them.
Earth & Space Science
Middle School
In this science fair project, you will demonstrate the effect of luminosity and distance on the apparent magnitude of a star.
Astronomy
Middle School

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