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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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Investigate which substances are most effective at removing salt from water.
Environmental Issues
Ninth Grade
The project investigates how water and movement affects erosion.
Geology
Elementary School
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
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
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 experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.
Ecology
Environmental Issues
This science fair project idea will be examining oxidation and acid rain
Ecology
Middle School
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
Ecology
Elementary School
This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.
Ecology
High School
This science fair project idea attempts to develop a new or improved eco-friendly packing material.
Ecology
High School
Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.
Earth & Space Science
Second Grade

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