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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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This experiment examines if space objects become round after reaching a certain mass.
Astronomy
High School
This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.
Earth & Space Science
Astronomy
Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.
Ecology
Middle School
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Weather and Climate
Middle School
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Earth & Space Science
Kindergarten
In this fun experiment, we'll find out how color affects heat absorption!
Weather and Climate
Fifth Grade
Thermometers are how we measure temperature, and we've all heard the terms 'centigrade' and 'Fahrenheit' tossed around, but what do they really mean?
Weather and Climate
Middle School
This experiment will explore how manipulating a graph of historical information might reveal new information about data.
Astronomy
High School
How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.
Geology
Ninth Grade
In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.
Geology
Elementary School
This science project examines the thermal properties of several major greenhouse gases.
Earth & Space Science
High School

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