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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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Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.
Ecology
Fifth Grade
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Weather and Climate
Elementary School
In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
Earth & Space Science
Weather and Climate
Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.
Astronomy
First Grade
Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.
Earth & Space Science
Sixth Grade
This science fair project explores different types of endangered frogs, and why some are endangered while others are not.
Earth & Space Science
Ninth Grade
Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Weather and Climate
Ninth Grade
Science fair project that determines which types of clouds are best at blocking harmful UV radiation.
Earth & Space Science
Sixth Grade
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Weather and Climate
Third Grade
Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?
Earth & Space Science
Sixth Grade
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Weather and Climate
Fifth Grade
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Weather and Climate
Second Grade
This science project challenges students to take learned information about weather and  climate control and apply it to larger issues like global warming.
Weather and Climate
High School
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Weather and Climate
Third Grade
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

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