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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 free science fair project idea, we learn about how static fluids exert force on their environment.
Oceans
Middle School
This project examines the concentration of dissolved oxygen in water, with and without oil.
Ecology
Eighth Grade
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Astronomy
Fifth Grade
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Earth & Space Science
Third Grade
This science fair project idea uses the process of chemical weathering to change a mineral.
Geology
Elementary School
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Weather and Climate
Fifth Grade
Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Geology
Second Grade
In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.
Earth & Space Science
Geology
Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.
Earth & Space Science
Fifth Grade
The purpose of this project is to examine the sun's highest altitude in the sky during the day to determine if it is exactly halfway between sunrise and sunset.
Earth & Space Science
Middle School
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
Weather and Climate
Middle School

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