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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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The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.
Astronomy
Eleventh Grade
The altitude of a star can be measured using just your hands.  Do this science fair project using just your hands as tools to measure the altitude of stars.
Astronomy
Middle School
Step by step free science fair project idea for you to explore the center of the hurricane and why the eye of the hurricane is motionless.
Earth & Space Science
Elementary School
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Earth & Space Science
Fifth Grade
This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.
Ecology
Environmental Issues
Complete this free science fair project using plastic bottles, duct tape, and water and explore the formation and shape of tornadoes.
Earth & Space Science
Elementary School
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Weather and Climate
Second Grade
What causes thunder?  Do this free science fair project using an inflated balloon and a pin to learn about thunder and why thunder makes the loud boom sound.
Earth & Space Science
Elementary School
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Weather and Climate
Third Grade
How does hail form and what does it look like? In this free science fair project ideas, you'll learn how to create ice pellets that resemble hail.
Earth & Space Science
Weather and Climate
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Weather and Climate
Third Grade
Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.
Ecology
Environmental Issues

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