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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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Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?
Earth & Space Science
Kindergarten
This experiment challenges students to forecast the weather based on the surrounding areas' weather.
Weather and Climate
Kindergarten
Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.
Earth & Space Science
Fifth Grade
Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.
Earth & Space Science
Fifth Grade
Find a science fair project idea on rain forest canopy and explore the life that exists under the umbrella like covering over the rain forests.
Weather and Climate
Middle School
Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.
Astronomy
Third Grade
This science fair project idea helps develop new and improved earthquake detection methods and techniques.
Ecology
High School
How do organic materials become soil? This science experiment measures what materials biodegrade.
Ecology
Elementary School
Oceans
Middle School
This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.
Earth & Space Science
Elementary School
This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Ecology
Earth & Space Science
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
This fun Science project helps middle school students learn factors that affect growth rate of Crystals by studying formation of stalactite and stalagmite.
Earth & Space Science
Middle School
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Earth & Space Science
Second Grade

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