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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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Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.
Ecology
Middle School
Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.
Earth & Space Science
Fifth Grade
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Earth & Space Science
Elementary School
Free science fair project idea examining how different types of water affect plant germination and growth.
Earth & Space Science
Middle School
The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.
Ecology
Elementary School
This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.
Earth & Space Science
Elementary School
This free science fair project explores the 'dirty' relationship between the presence of organic material in soil and water absorbency.
Earth & Space Science
Middle School

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